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DOORBELL COMMUNICATION AND ELECTRICAL SYSTEMS

15/673,896 | U.S. Patent Application

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Location ELECTRONIC

Filed Aug. 10, 2017

Examiner THOMAS S MCCORMACK

Class 340

Art Group 2683

Patent No. 10,440,165

Case Type Utility - 340/328000

Status Patented Case

Parent 14/588,881 Patented

Parent 15/8,366 Patented

Parent 15/8,304 Patented

Child 15/990,601 Patented

Child 16/557,753 Pending

Last Updated: 4 years, 1 month ago

Date	#	Transaction
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DOORBELL COMMUNICATION AND ELECTRICAL SYSTEMS

15/673,896 | U.S. Patent Application

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