`
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`
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`MEYER PRODUCTS, LLC.
`
`EXHIBIT 1009
`
`Response to First Office Action Filed March 9, 2004
`
`
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`MAR. 9.2004
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`4:11PM
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`5132416234
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`— N0. 8439
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`P.
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`7
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`Amendments to the Clairns:
`
`This listing of claims will replace all prior versions, and listings, of claims
`
`in the application:
`
`Listing Of glgifl:
`
`1.
`
`(Previously Canceled) In combination a mount frame adapted to be
`
`attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a pair of spaced latch pins;
`
`said snowplow assembly being releasably securable to said mount
`
`frame, said snowplow assembly comprising a lift frame supportable by a pair of stand
`
`assemblies, said stand assemblies being pivotal about a horizontal pivot axis between
`
`a down position in which said stand assemblies Support said snowplow assembly and
`
`an up position in which said stand assemblies do not support said snowplow
`
`assembly, each of said stand assemblies having a latch hook engageabie with one of
`
`said latch pins of said mount frame, wherein said latch hooks are engaged with said
`
`latch pins to secure said snowplow assembly to said mount frame when said Stand
`
`assemblies are in said up position and disengaged with said latch pins when said stand
`
`assemblies are in said down position to allow said mOunt frame to separate from said
`
`snowplow assembly.
`
`2. (Previously Canceled) The combination of claim 1 wherein said
`
`mount frame further comprises a pair of spaced receivers and said lift frame further
`
`-3-
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`PAGE 7134 * RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] * SVR:USPTO£FXRF-1l3 " DNIS:8729306‘ CSID1513 241 6234 * DURATION (mm-ss):06-20
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`MAR. 9.2004
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`8
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`comprises a pair of horns, said horns of said lift frame being received in said receivers
`
`of said mount frame when said snowplow assembly is secured to said mount frame.
`
`3.
`
`(Previously Canceled) The combination of claim 1 further
`
`cemprising a lock pin assembly on each of said stand assemblies, said lock pin
`
`assemblies operable to lock said stand assemblies in one of said up and down
`
`positions.
`
`4.
`
`(Previously Canceled) The combination of claim 1 wherein said
`
`snowplow assembly further compriSes a trunnion pivotal relative to said lift frame
`
`about a transversely extending horizontal axis.
`
`5. (Previously Canceled) The combination of claim 4 wherein said
`
`snowplow assembly further comprises an A-frame pivotal relative to said trunnion and
`
`said lift frame about a longitudinally extending horizontal axis.
`
`6.
`
`(Previously Canceled) The combination of claim 5 wherein said
`
`snowplow assembly further comprises a snowplow blade mOunted on a front end of
`
`said A-frame.
`
`PAGE8134RCVDATWWW-44.14.41 PM[EasternStandardTime]SVR.USPTO£FXRF-1I3DillS‘8729305 510.513.241A234'DUBATION(mill-SJ.5-0520
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`MAR.
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`9. 2004
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`4:11PM
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`513241 6234
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`N0.8439
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`P.
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`9
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`7.
`
`(Previously Canceled) The Combination of claim 5 wherein said lift
`
`frame of said snOWplow assembly further comprises a hydraulic cylinder operable to
`
`raise said A—frame.
`
`8.
`
`(Previously Canceled) The combination of claim 1 wherein each of
`
`said stand assemblies comprises a pair of telescoping inner and outer tubes.
`
`9.
`
`(Previously Canceled) The combination of claim 1 wherein each of
`
`said stand assemblies has an adjustable height.
`
`10.
`
`(Previously Canceled) In combination, a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said snowplow assembly being reieasabiy securable to said mount
`
`frame, said snowplow assembly comprising a liftframe, a trunnion and an A—frame,
`
`said trunnion being pivotal about a first transverse, horizontal axis relative to said lift
`
`frame, said A-frame being pivotal ab0ut a horizontal, longitudinal axis relative to said
`
`trunnion, said lift frame including a pair of stand assemblies pivotal abOut a second
`
`transverse, horizontal pivot axis between a down position in which said stand
`
`assemblies support said snowplow assembly and an up position in which said stand
`
`assemblies do not support said snowplow assembly, each of said stand assemblies
`
`PAGE 9134 * RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] * SVR:USPTO-EFXRF-113 * 01118372 ‘y 1:? cs1m513|241iga44ioumou (ms-9206120, a,
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`MAR. 9.2004
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`4:11PM
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`513 241 6234
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`N0. 8439
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`P.
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`10
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`being engageable with said mount frame to secure said snowplow assembly to said
`
`mount frame when said stand assemblies are in said up position.
`
`11.
`
`(PreviOusly Canceled) The combination of claim 10 wherein said
`
`mount frame comprises a pair of spaced receivers and said lift frame further comprises
`
`a pair of horns, said horns of said lift frame being received in said receivers of said
`
`mOunt frame when said snowplow assembly is secured to said mOunt frame,
`
`12.
`
`(Previously Canceled) The combination of claim 10 further
`
`comprising a lock assembly on each of said stand assamblies, said lock assemblies
`
`being operable to lock said stand assemblies in one of said up and down positions.
`
`13.
`
`(Previously Canceled) The combination of claim 10 wherein said
`
`mount frame comprises a pair of latch pins which are engaged by latch hooks 0n said
`
`stand assemblies to secure said snowplow assembly to said mount frame when said
`
`stand assemblies are in said up position.
`
`14.
`
`(Previously Canceled) The combination of claim 10 wherein said
`
`snowplow assembly further comprises a snowplow blade mounted on a front end of
`
`said A-frame.
`
`PAGE 10l34 ‘ RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] ‘ SVR1USPTO'EFXRF-113‘ DNIS:8729306* CSID:513 211 6234 * DURATION (mm-ss):06-20
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`MAR. 9.2004
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`4:12PM
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`513 241 6234
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`NO.8439
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`P.
`
`11
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`15. (Previously Canceled) The combinatiOn of claim 10 wherein said
`
`lift frame of said snowplow assembly further comprises a hydraulic cylinder operable
`
`to raise said A—frame.
`
`16.
`
`(Previously Canceled) The combination of claim 10 wherein each
`
`of said stand assemblies has an adjustable height.
`
`17.
`
`(Previously Canceled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a pair of Spaced receivers and a pair of
`
`spaced latch pins;
`
`said snowplow assembly comprising a lift frame having a pair of
`
`rearwardly projecting horns and a pair of stand assemblies, said stand assemblies
`
`being pivotal about a horizontal pivot axis between a down position in which said
`
`stand assemblies support said snowplow assembly and an up positiOn, each of said
`
`stand assemblies having a latch hook operable to engage one of said latch pins of said
`mount frame. wherein to secure said snowplow assembly to said mount frame said
`
`rearwardly projecting horns of said snowplow‘assembly are engaged with said
`
`receivers of said mount frame and said stand assemblies are pivoted upwardly causing
`
`said latch hooks to engage said latch pins of said mount frame.
`
`PAGE 11134 ‘ RCVD AT $912004 4:14:41 PM [Eastern Standard Time] ' SVRIUSPTO-EFXRF-1l3 ‘ DNlS:8729305 ' CSlD2513 241 5234 ' DURATION (mm-ss):06-2o
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`MAR.
`
`9. 2004
`
`4:12PM
`
`5132416234
`
`N0. 8439
`
`P.
`
`12
`
`18. (Previously Canceled) The combination of claim 17 wherein said
`
`snowplow assembly further comprises a trunnion and an A-frame, said trunnion being
`
`pivotal about a transverse, horizontal axis relative to said lift frame, said A-frame being
`
`pivotal about a horizontal, longitudinal axis relative to said trunnion.
`
`19.
`
`(Previously Cancaled) The combination of claim 17 wherein each
`
`of said receivers is rectangular in cross-section, having top and bottom plates
`
`interconnected with laterally spaced side plates.
`
`20.
`
`(Previously Canceled) The combination of claim 17 wherein said -
`
`bottom plate of each of said receivers has a depending lip and at least one of said side
`
`plates of each of said receivers has a flared portion, said depending lip and said flared
`
`portion aid in guiding one of said horns into said receiver.
`
`21. (Previously Canceled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a pair of spaced latch pins;
`
`said snowplow assembly comprising a lift frame having a pair of pivotal
`stand assemblies, each of said stand a55emblies having an independently adjustable
`
`height, said stand assemblies being pivotal about a horizontal pivot axis between a
`
`down position in which said stand assemblies support said snowplow assembly and
`
`. -8-
`
`PAGE 12(34 ‘ RCVD AT 3l9120044: 14:41 PM [Eastern Standard Time] ‘ SVR:USPTO-EFXRF-113' 0le.8729306 CSlD1513 241 6234 DURATION (mm-55):06-20
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`MAR. 9.2004
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`4:12PM
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`513 241 6234.
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`N0. 8439
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`P.
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`13
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`an up position, each of said stand assemblies having a latch hook engageable with
`
`one of said latch pins of said mount frame, wherein to secure said snowplow assembly
`
`to said mount frame said stand assemblies are pivoted upwardly causing said latch
`
`hooks to engage said latch pins of said mount frame.
`
`22.
`
`(PreviOusly Canceled) The combination of claim 21 wherein each
`
`of said stand assemblies comprises a pair of telescoping inner and outer tubes.
`
`23.
`(Previously Canceled) The combination of claim 21 wherein said
`snowplow assembly further comprises a trunnion and an A-frame, said trunnion being
`
`pivotal about a transverse, horizontal axis relative to said lift frame, said A-frame being
`
`pivotal abOut a horizontal, longitudinal axis relative to said trunnion and having a
`
`snowplow blade removably mounted to a front end of said A-frame.
`
`24.
`
`(Previously Canceled) In combination a mount frame adapted to
`(
`
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a first portion adapted to be attached to a
`
`vehicle and a second portion detachable from said first portion;
`
`said snowplow assembly being releasabiy seCurable to said mount
`
`frame, said snowplow assembly comprising, a lift frame supportable by a pair of stand
`
`assemblies, said stand assemblies being pivotal about a horizontal pivot axis between
`
`-9-
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`PAGE 13134 ’ RCVD AT 391200441441 PM [Eastern Standard Time] ' SVR.USPTO-EFXRF-"3 ‘ DNIS'8729305 CSID'513 241 5234 DURATION (mmss)05~20
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`MAR. 9.2004
`
`4:12PM
`
`513 241 6234
`
`.
`
`_NO.8439
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`P.
`
`14
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`a down position in which said stand assemblies support said snowplow assembly and
`
`an up position in which said stand assemblies do not support said snowplow
`
`assembly, each of said stand assemblies having a latch hook engageabie with said
`
`second portions of said mount frame, wherein said latch hooks are engaged with said
`
`second portions of said mount frame to secure said snowplow assembly to said mount
`
`frame when said stand assemblies are in said up position and disengaged with said
`
`second portions of said mount frame when said stand assemblies are in said down
`
`position to allow said mount frame to separate from said snowplow assembly.
`
`25.
`
`(Previously Canceled) The combination of claim 24 wherein said
`
`second portion of said mount frame comprises a pair of receivers.
`
`26.
`
`(Previously Canceled) The cOmbination of claim 25 wherein said
`
`second portion of said mount frame further comprises a pair of latch pins outside said
`
`receivers.
`
`27.
`
`(PreviOusly Canceled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`4
`said mount frame comprising a first portion adapted to be secured to
`
`the vehicle and a second portion'remOVabiy securabie to said first portion without the
`
`uSe of tools;
`
`.10-
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`PAGE 14134 ' RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] ‘ SVR:USPTO-EFXRF-113 ‘ DNIS:8729306 * CSIDI513 241 6234 * DURATION (mm-ss):06-20
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`MAR.
`
`9. 2004
`
`4:12PM
`
`513 241 6234
`
`_N0. 8439
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`P.
`
`15 _'
`
`said snowplow assembly including a lift frame, a plow blade and a
`
`motion generating device for effecting relative movement between said plow blade-
`and lift frame, said snowplow assembly being removabiy securable to said second
`
`portion of said mount frame and being attachable thereto and detachable therefrom
`
`as one assembly;
`
`said mount frame second portion. when attached to said mOUnt frame
`
`first portion, producing a first ground clearance distance between said second portion
`
`and a ground surface;
`
`said mount frame first portiOn. with said mount frame second portion
`
`detached therefrom, producing a sec0nd ground clearance distance between said first
`
`portion and the ground surface;
`
`said second ground clearance distance being greater than said first '
`
`ground ciearanca distance.
`
`28.
`
`(Previously Canceled) The combination of claim 27 wherein said
`
`mount frame second portion comprises a pair of receivers and said snowplow
`
`assembly includes a pair of horns receivable in respective ones of said receivers.
`
`29.
`
`(Previously Canceled) The combination of claim 28 wherein each
`
`said receiver includes a latch pin secured thereto and said snowplow assembly
`
`includes a pair of latch hooks engageable with reSpective Ones of said latch pins.
`
`-11-
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`PAGE 15134 ' RCVD AT 3l9l2004 4:14:41 PM [Eastern Standard Time] ' SVR:USPTO'EFXRF-113' DNiSZ8729306 " CSiD1513 241 6234 * DURATION (mm-ss):06-20
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`MAR. 9.2004
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`4:12PM
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`513 241 6234
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`NO. 8439
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`P.
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`16
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`30. (Previome Canceled) The combination of claim 29 wherein each
`
`said latch hook is secured to a support stand for supporting said snowplow assembly
`
`when detached from the vehicle.
`
`31. (Previously Canceled) The combination of claim 30 wherein said
`
`support stands are pivotally connected to said lift frame for pivoting movement to and
`
`between a snowplow supporting down position and an up position wherein said latch
`
`hooks are engaged with respective ones of said latch pins.
`
`32.
`
`(Original) A snowplow assembly comprising:
`
`a lift frame;
`
`‘ a trunnion pivotally connected to said lift frame for pivoting movement
`
`about a transverse, horizontal axis;
`
`an A-frame having a plow blade on a forward end and being pivotally
`
`connected on a rearward end to said trunnion for pivoting movement about a
`
`longitudinal, horizontal axis; and '
`
`a motion generating device for effecting relative mowement between
`
`said A-frame and lift frame for pivoting movement about the transverse, horizontal
`
`axis;
`
`said lift frame, trunnion, A-frame and motion generating device all
`
`being attachable to and detachable from a vehicle as one assembly.
`
`-12-
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`PAGE 16134 ‘ RCVD AT 319120044:14.41 PM [Eastern Standard Time) ‘ SVR:USPTO-EFXRF-113 ‘ DNIS.8729306x CSlD:513 241 6234* DURATION (mm-5:3,):06;20 A m» 2
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`MAR.
`
`9. 2004
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`4:13PM
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`5132416234
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`110.3439
`
`P.
`
`17
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`33.
`
`(Original) The snowplow assembly of claim 32 further including a
`
`pair of transversely spaced support stands mounted to said lift frame, each support
`
`stand being height adjustable independently of the other.
`
`34.
`
`(Previously Canceled) In combination a mount frame adapted to
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`be attached to a vehicle and a Snowplow assembly:
`
`said mount frame comprising at least one latch pin;
`
`said snowplow assembly being releasably secmable to said mount
`
`frame, said snowplow assembly comprising a lift frame supportable by at least one
`
`stand assembly, said at least one stand assembly being pivotal abOut a horizontal
`
`pivot axis between a down position in which said at least one stand assembly supports
`
`said snowplow assembly and an up position in which said at least one stand assembly
`
`does not support said snowplow assembly, said at least one stand a55€mbly having a
`
`latch hook engageable with said at least one latch pin of said mount frame, wherein
`
`said latch hook is engaged with said at least one latch pin to secure said snowplow
`
`assembly to said mount frame when said at least one stand assembly is in said up
`
`position and disengaged with said at least one latch pin When said stand assembly is
`
`in said down position to allow said mount frame to separate from said snowplow
`
`assembly.
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`-13-
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`PAGE 17134 ‘ RCVD AT 319120044:14'41 PM [Eastern Standard Time] ' SVR'USPTO-EFXRF-113 ’ DNISI8729306 * 6810:5111 241 6234 DURATION (mm-55):06-20
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`MAR. 9.2004
`
`4:13PM
`
`513 241 6234
`
`—NO.8439
`
`P.
`
`18
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`35. (Previously CanCeled) The snowplow assembly of claim 34
`
`wherein said mount frame further cemprises at least one receiver and said lift frame
`
`further comprises at least one horn, said at least one horn of said lift frame being
`
`received in said at least one receiver of said mount frame when said snowplow
`
`assembly is secured to said mount frame.
`
`36.
`
`(Previously Canceled) The snowplow assembly of claim 34
`
`wherein said at least one latch hook and said at least one latch pin are positioned and
`
`configured such that the resultant forces generated therebetween pass through the
`
`horizontal pivot axis of said at least one stand assembly and in doing so avoid -
`
`generating a moment about the pivot axis.
`
`37. (Original) A SnOWplOW assembly comprising:
`
`a lift frame;
`
`_
`
`,
`
`a plow blade;
`
`a motiOn generating device for effecting relative movement between
`
`said lift frame and plow blade for pivoting m0vement of the plow blade about a
`
`transverse, horizontal axis; and
`
`a pair of transversely spaced stand assemblies mounted to said lift
`
`frame, each said stand assembly comprising:
`
`-14-
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`PAGE18l34RCVDAT3l9120044:14'41PM[EasternstandardTimel‘SVR:USPTO-EFXRF-1!3‘DNIS'8729306‘CSID:.51/32416.334:DURATION(mm-55):06-20‘” '
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`MAR. 9.2004
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`4:13PM -
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`5132416234
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`NO. 8439
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`P.
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`19
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`a C-shaped bracket having Opposed upper and lower plates and a hole
`
`in each said plate;
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`' a stand leg with a stand foot secured to a lower end of said stand leg,
`
`said stand leg passing through said holes in said upper and lower plates ofsaid C-
`
`shaped bracket;
`
`a pivoting locking plate positioned intermediate said upper and lower
`
`plates of said C-shaped bracket, said lacking plate having a hole therein, said stand
`
`leg passing through said locking plate hole, said locking plate including a handle
`
`facilitating manual pivoting of said locking plate relative to said C-shaped bracket;
`
`a first spring operable between said lower plate of said C-shaped
`
`bracket and said locking plate normally biasing an edge of said locking plate hole
`
`against said stand leg thereby locking said stand leg relative to said C-shaped bracket,
`
`said handle being operable to pivot said locking plate Such that said locking plate hole '
`
`-
`
`edge is out-of engagement with said stand leg thereby freeing said stand leg for
`
`movement relative to said C-shaped bracket; and
`
`a second Spring operable between said upper plate of said C-shaped
`
`bracket and said stand leg normally biasing said stand leg to an up position.
`
`38. (Previously CanCeled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a first latch element;
`
`-15-
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`PAGE 19134 ‘ RCVD AT 319120114 4:14:41 PM [Eastern Standard Time] ’ SVR.USPTO'EFXRF-113 ' 01333729305$5le5132415234’DURATION(mm55135-20fl 1_ ‘ 7
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`MAR. 9.2004
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`4:13PM
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`513 241 6234
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`.NO. 8439
`
`P.
`
`20
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`said snowplow assembly being releasably securable to said mount
`
`frame, said snowplow assembly including a lift frame supportable by a stand, said
`
`stand being pivotal abOut a horizontal pivot axis between a down positiOn in which
`
`said stand supports sald snowplow assembly and an up position in which said stand
`
`does not support said snowplow assembly, said stand having a second latch element
`
`seleCtiUely engageable with said first latch element of said mount frame, wherein said
`
`first and second latch elements are engaged with one another to seCure said snowplow
`
`assembly to said mount frame when said stand is in said up position, and disengaged
`
`with one another when said stand is in said down position to allow said mount frame
`
`to separate from said snowplow assembly.
`
`39.
`
`(Previously Canceled) The combination of claim 38 wherein one
`
`of said first and second latch elements is a latch pin and the other of said first and
`
`second latch elements is a latch hook.
`
`40.
`
`(Previously Canceled) The combination of claim 39 wherein said
`
`first latch element is a latch pin and said second latch element is a latch hook.
`
`41.
`
`(Original) A snowplow assembly comprising:
`
`a lift frame; I
`
`a trunnion connected to said lift frame;
`
`-15-
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`PAGE 20134 ' RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] ' SVR:USPTO-EFXRF-1l3' DNlS:8729305 * 08101513 241 6234 ’ DURATION (mm-ss):06-20
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`MAR.
`
`9. 2004
`
`4:13PM
`
`513241 6234
`
`110.8439—P.
`
`21
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`an A-frame having a plow blade on a forward end and being
`
`connected on a ream/ard end to said trunnion; and
`
`a motion generating device for effecting relative movement between
`
`said A-frame and lift frame;
`
`said lift frame, trunnion, A-frame and motion generating device all
`
`being attachable to and detachable from a vehicle as one assembly;
`
`said lift frame, trunnion and A-frame being pivotally connected in such
`
`a mannerthat said A-frame can pivot relative to said lift frame about a tamverse,
`
`horizontal axis as well as can pivot relative to said lift frame about a longitudinal,
`
`horizontal axis.
`
`42.
`
`(Original) The snowplow assembly of claim 41 wherein said
`
`trunnion is pivotally connected to said lift frame for pivoting motion about a
`
`tranSVerse, horizontal axis and said A-frame is pivotaliy connected to said trunnion for
`
`pivoting motion about a longitudinal, horiZOntal axis.
`
`43.
`
`(Original) A snowplow assembly comprising:
`
`a lift frame;
`
`a trunnion connected to said lift frame;
`
`an A-frame having a plow blade on a forward end and being
`
`connected on a rearward end to said trunnion; and
`
`-17-
`
`PAGE 21134 ‘ RCVD AT 319120114 4:14:41 PM [Eastern Standard Time] ‘ SVR1USPTO-EFXRF-113 ' DNIS:8?29306 ‘ CSlDz513 241 6234 ’ DURATION (mm-ss):06-20
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`BEST AVAEEAEEE CC?”
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`
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`MAR.
`
`9. 2004,
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`4:13PM
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`513 241 6234
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`NO.8439
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`P.
`
`22
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`a motion generating device for effecting relative movement between
`
`said A-frame and lift frame;
`said lift frame, trunnion, A-frame and motion generating device all
`
`being attachable to and detachable from a vehicle as one assembly;
`
`said lift frame, trunnion, A-frame and plow blade being pivotaliy
`
`connected in such a manner that said plow blade can pivot relative to said lift frame
`
`about a transverse, horizontal axis as well as can pivot relative to said lift frame about
`
`a longitudinal, hOrizontal axis.
`
`44.
`
`(Original) The snowplow assembly of claim 43 wherein said
`
`trunnion is pivotally connected to said lift frame for pivoting motion about a
`
`tranSVerse, horizontal axis and said A-frame is pivotally connected to said trunnion for
`
`pivoting motiOn about a longitudinal, horizontal axis.
`
`45.
`
`(PreviOusly Canceled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a first portion adapted to be secured to
`
`the vehicle and a second portion removably securable to said first portion without the
`
`use of tools;
`
`said snowplow a5sembly including a lift frame, a plow blade and a
`
`motion generating device for effecting relative movement between said plow blade
`
`-13-
`
`PAGE 22134 ‘ RCVD AT 31912004 4:14:41 PM [Eastern Standard Time] ' SVR:USPTO-EFXRF-113 ' DNIS:8?29306 ’ CSlD:513 241 6234 * DURATION (mm-ss):06-20
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`DES? AAiL«ELE CCL
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`ray/1
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`
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`MAR. 9.2004
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`4:14PM
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`513 241 6234
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`I
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`_NO.8439"
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`P.
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`23
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`I
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`and lift frame, said snowplow assembly being rem0vably securable to said second
`
`portion of said mount frame and being attachable thereto and detachable therefrom
`
`as one assembly;
`
`said mount frame second portion, when attached to said mOunt frame
`
`first portion, producing a first approach angle between said second portion and a
`
`ground surface;
`
`said mount frame first portion, with said mount frame second portion
`
`detached therefrom. producing a second approach angle between said first portion
`
`and the ground surface;
`
`said second approach angle being greater than. said first approach
`
`angle.
`
`46. (Previously Canceled) The combination of claim 45 wherein said
`
`mount frame second portion comprises a pair of receivers and said snowplow
`
`assembly includes a pair of hams receivable in respective Ones of said receivers.
`
`47. (Previously Canceled) The combination of claim 46 wherein each
`
`said receiver includes a latch pin secured thereto and said snowplow assembly
`
`includes a pair of latch hooks engageable with respective ones of said latch pins.
`
`-19-
`
`PAGE 23134 RCVDAT 319120044:14:41 PM [Eastern Standard Time] * SVR:USPTO'EFXRF-113‘ DNIS:87293116* CSID.513 241 6234[DIM/111011“(mm-SS):0620h m— ,1
`EES
`\Lt—L nuns...-
`\/ \— '
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`
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`MAR. 9.2004
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`4:14PM
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`5132416234
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`'
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`_N0.8439
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`P.
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`24
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`48. (Previously Canceled) The combination of claim 47 wherein each
`
`said "latch hook is secured to a support stand for SUpporting said snowplow assembly
`
`when detached from the vehicle.
`
`49. (Previously Canceled) The combination of claim 48 wherein said
`
`support stands are pivotally connected to said lift frame for pivoting movement to and
`
`between a snowplow supporting down position and an up position wherein said latch
`
`hooks are engaged with respective ones of said latch pins.
`
`50.
`(Previously Canceled) in combination a mount frame adapted to
`be attached to a vehicle and a snowplow assembly:
`
`said mount frame comprising a first portion adapted to be secured to
`
`the vehicle and a‘second portion. removably seem-able to said first portiOn without the
`
`use of tools;
`
`said snowplow assembly including a lift frame, a plow blade and a
`
`motion generating device for effecting relative movement between said plow blade
`
`and lift frame, said snowplow assembly being removably securable to said second
`
`portion of said mount frame and being attachable thereto and detachable therefrom
`
`as one assembly;
`
`said mount frame second portion, when attached to said mount frame
`
`first portion, producing a first ground clearance distance between said sec0nd portion
`
`-20-
`
`PAGE 24l34 ' RCVD AT 3l912004 4:14:41 PM [Eastern Standard Time] ‘ SVR:USPTO-EFXRF-1l3 ‘ DNIS:8729306 ” CSID:513 241 6234 * DURATION (mm-ss):06-20
`\EFT inf/j r: [bi-P f/x/xr‘vn
`J LU
`V4-\Iiru_b when“.
`~
`~.
`
`
`
`MAR. 9.2004
`
`4:14PM
`
`513 241 6234
`
`N0. 8439
`
`P.
`
`‘25
`
`and a ground surface and a first approach angle between said second'portion and the
`
`ground surface;
`
`said mount frame first portion, with said mount frame second portion
`
`detached therefrom, producing a second ground clearance distance between said first
`
`portion and the ground surface and a second approach angle between said first
`
`portion and the ground surface;
`
`said second gr0und clearance distance being greater than said first
`
`ground clearance distance and said second approach angle being greater than said
`
`first approach angle.
`
`51.
`
`(Previously Canceled) In combination a mount frame adapted to
`
`be attached to a vehicle and a snowplow assembly:
`
`said snowplow assembly including a lift frame, a plow blade and a
`
`motion generating device for effecting relative movement between said lift frame and
`
`said plow blade, snowplow assembly being removably Securable to said mount frame
`
`and beingattachabl'e thereto and detachable therefrom as one assembly;
`
`said lift frame including a pair of transversely spaced horns and a pair of
`
`transversely spaced, pivoting latch hooks each of which has a pin engaging surface
`
`with a camming curvature associated therewith;
`
`said mount frame including a pair of tranSVerSely spaced flared receivers
`
`and a pair of transversely spaced latch pins;
`
`-21-
`
`PAGE 25m ‘ RCVD AT 3l912004 4:14:41 PM [Eastern Standard Time] ‘ SVRIUSPTO-EFXRF-113 ‘ DNIS:8?29306‘ CSlD:513 241 6234 " DURATION (mni-SS):06-20
`
`
`
`MAR. 9.2004
`
`4:14PM
`
`513 241 6234
`
`NO. 8439
`
`P.
`
`26
`
`said horns being received in said receivers during securement of said
`
`snowplow assembly to said mount frame, said pin engaging surfaces of said hooks
`
`cooperating with said pins to cam said snowplow assembly and mount frame together
`
`during pivoting of said latch hooks.
`
`52.
`
`(Previously Canceled) The combination of claim 51 wherein each
`
`said latch hook is mounted on a support stand which is pivoted to said lift frame,- said
`
`latch hooks engaging said latch pins when said support stands are pivoted to an up
`
`position and disengaging with said latch pins when said Support stands are pivoted to
`
`a down snowplow assambly supporting position.
`
`53.
`
`(Previously Canceled) The combination of claim 53 wherein each
`
`said support stand is height adjustable independently of the other said support stand.
`
`54.
`
`(Previously Canoeled) . The combination of claim 53 wherein each
`
`said support stand is continuously height adjustable.
`
`55.
`
`(Original) A snowplow assembly Comprising:
`
`a lift frame;
`
`a trunnion connected to said lift frame;
`
`PAGE 26m ‘ RCVD AT 3l912004 4:14:41 PM [Eastern Standard Time] ‘ SVRIUSPTO-EFXRF-1l3' DNISE8729306 ‘ CSlD:513 241 6234 * DURATION (mm-ss):(16-20
`
`DEFT Nil/(F [WP F“""“”
`L—Je"
`fi‘wi xiii-fleeing. 1-4 \b. .,
`
`
`
`MAR. 9.2004
`
`4:14PM
`
`513241 6234
`
`'_NO. 8439
`
`P.
`
`27
`
`an A-frame having a plow blade on a fonuard end and being connected
`
`on a rearward end to said trunnion;
`
`a motion generating device for effecting relative movement between
`
`said A—frame and lift frame;
`
`said lift frame, trunnion, A—frame and plow blade being pivotally
`
`connected in such a manner that said plow blade can pivot relative to said lift frame
`
`about a transverse, horizontal axis .as well as can pivot relative to said lift frame about
`
`a longitudinal, horizontal axis; and
`
`a pair of transversely spaced support stands mounted to said lift frame
`
`for Supporting said snowplow assembly above a ground surface during detachment
`
`from a vehicle, each of said support stands being height adjustable independently of
`
`the other said support stand.
`
`56.
`
`(Currently Amended) The snowplow assembly of claim 54 fl
`
`wherein each of said support stands is continuously height adjustable.
`
`57.
`
`(Origlnal) A snowplow assembly comprising:
`
`a lift frame;
`
`a plow blade;
`
`a motion generating device for effecting relative movement between
`
`said lift frame and said plow blade; and
`
`-23-
`
`PAGE27134‘RCVlJAT3191201144:14:41PM[EasternStandardTime]'SVR:USPTO£FXRF-113‘DNlS:8729306F’CSID:5132416234*DURATION(mm-ss):06-20
`/" r3“;
`_:F"
`J' [xv/[matic/tabsaClem
`
`
`
`MAR. 9,2004
`
`4:14PM
`
`513 241 6234
`
`_
`
`N0.8439
`
`P.
`
`28
`
`a pair of transversely spaced support stands mounted to said lift frame
`
`for supporting said lift frame above a ground surface, each of said pair of stands being
`
`height adjustable independently of the other of said stands.
`
`58. (Currently Amended) The snOWplow assembly of claim 56 ,5_7
`
`wherein each of said support stands is continuously height adjustable.
`
`59. (Currently Amended) The snowplow assembly of claim 56 52
`
`wherein said lift frame, plow blade and motion generating device are adapted to be
`
`attached to and detached from a vehicle as a single assembly.
`
`60.
`
`(Currently Amended) The snowplow assembly of claim 56 fl
`
`wherein said plow blade is operable to pivot relative to said lift frame about a
`
`lengitudinaL horizontal axis.
`
`61.
`
`(Original) The snowplow assembly of claim 56 fl wherein said
`
`plow blade is operable to pivot relative to said lift frame abOut a longitudinal,
`
`horizontal axis.
`
`62.
`
`(Original) The snowplow assembly of claim 56 fl wherein each
`
`said support stand comprises:
`
`-24-
`
`PAGE 28134 ‘ RCVD AT 319120044:14.41 PM [Eastern Standard Time] SVR:USPTOIEFXRF-113 ‘ DNIS:8729306-CSIDMM416234.’DURATION(mm-55):0620 A wy
`lira-:ufi Vi “an. HMLULI.
`\L v‘IL (.1
`
`
`
`MAR. 9.2004
`
`4:14PM
`
`513 241 6234
`
`No.8439‘
`
`P.
`
`29
`
`a bracket having opposed first and second plates and a hole in each
`
`a leg passing through said holes in said first and second plates of said
`
`said plate;
`
`bracket:
`
`a pivoting locking plate positioned intermediate said first and second
`
`plates of said bracket, said locking plate having a hole therein, said leg passing
`
`through said locking plate hole, said locking plate including a handle facilitating
`
`manual pivoting of said locking plate relative to said bracket;
`
`a first spring nOrmally biasing an edge of said locking plate hole
`
`against said leg thereby locking said leg relative to said bracket, said handle being
`
`operable to pivot said locking plate such that said locking plate hole edge is out of
`
`engagement with
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