IP Library › Granted Patent US 6,696,821
Granted Patent Utility
US 6,696,821 · Confirmation No. 1160

DC-DC CONVERTER, DUTY-RATIO SETTING CIRCUIT AND ELECTRIC APPLIANCE USING THEM

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 Code Description Pages PDF
2004-01-05 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-01-05 LET. Miscellaneous Incoming Letter 2 View
2003-01-16 TRNA Transmittal of New Application 1 View
2003-01-16 SPEC Specification 37 View
2003-01-16 CLM Claims 13 View
2003-01-16 ABST Abstract 1 View
2003-01-16 DRW Drawings-only black and white line drawings 12 View
2003-01-16 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,696,821
App. No.
10/345,352
Filed
2003-01-16
Granted
2004-02-24
Pub. No.
US20030151933A1
Examiner
VU, BAO Q
Art Unit
2838
PTA
-51 days