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Reexamination of Patent No. 7,110,270, METHOD AND APPARATUS FOR MAINTAINING A CONSTANT LOAD CURRENT WITH LINE VOLTAGE IN A SWITCH MODE POWER SUPPLY

90/9,393 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 20, 2009
Examiner MARGARET R RUBIN
Class 363
Art Group 3992
Case Type Re-Examination - 363/021070
Status Reexamination Certificate Issued
Original Case 10/892,300 Patented
Parent 10/253,307 Patented
Parent 60/325,642 Expired
Last Updated: 2 years, 7 months ago
Date # Transaction