IP Library › Granted Patent US 6,681,752
Granted Patent Utility Small
US 6,681,752 · Confirmation No. 1535

FUEL INJECTION SYSTEM METHOD AND APPARTUS USING OXYGEN SENSOR SIGNAL CONDITIONING TO MODIFY AIR/FUEL RATIO

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2015-11-22 OATH Oath or Declaration filed 5 View
2003-11-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-08-05 TRNA Transmittal of New Application 2 View
2002-08-05 SPEC Specification 20 View
2002-08-05 CLM Claims 6 View
2002-08-05 ABST Abstract 1 View
2002-08-05 DRW Drawings-only black and white line drawings 6 View
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Quick Facts
Patent No.
US 6,681,752
App. No.
10/212,475
Filed
2002-08-05
Granted
2004-01-27
Pub. No.
US20040020480A1
Art Unit
3747
PTA
-27 days