IP Library › Granted Patent US 6,674,657
Granted Patent Utility
US 6,674,657 · Confirmation No. 5095

OVERVOLTAGE-PROTECTIVE DEVICE FOR POWER SYSTEM, AC/DC CONVERTER AND DC/DC CONVERTER CONSTITUTING THE POWER SYSTEM

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 Code Description Pages PDF
2003-11-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-10-07 LET. Miscellaneous Incoming Letter 3 View
2003-09-30 LET. Miscellaneous Incoming Letter 1 View
2003-09-30 DRW Drawings-only black and white line drawings 4 View
2002-01-10 TRNA Transmittal of New Application 1 View
2002-01-10 SPEC Specification 15 View
2002-01-10 CLM Claims 4 View
2002-01-10 ABST Abstract 1 View
2002-01-10 DRW Drawings-only black and white line drawings 5 View
2002-01-10 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,674,657
App. No.
10/041,594
Filed
2002-01-10
Granted
2004-01-06
Pub. No.
US20020122323A1
Art Unit
2838
PTA
-60 days