IP Library Granted Patent US 6,718,921
Granted Patent Utility
US 6,718,921 · Confirmation No. 4293

METHOD AND APPARATUS FOR CLEANING AN OIL CONTROL VALVE FOR AN INTERNAL COMBUSTION ENGINE

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Code Description Pages PDF
2004-02-27 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-07-15 TRNA Transmittal of New Application 1 View
2002-07-15 SPEC Specification 12 View
2002-07-15 CLM Claims 6 View
2002-07-15 ABST Abstract 1 View
2002-07-15 DRW Drawings-only black and white line drawings 3 View
2002-07-15 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,718,921
App. No.
10/195,614
Filed
2002-07-15
Granted
2004-04-13
Pub. No.
US20040007195A1
Art Unit
3748
PTA
-58 days