IP Library › Granted Patent US 6,668,861
Granted Patent Utility
US 6,668,861 · Confirmation No. 1197

POPPET VALVE HAVING AN IMPROVED VALVE SEAT

Inventor: Kevin C. Williams
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-11-07 IFEE Issue Fee Payment (PTO-85B) 2 View
2002-02-08 TRNA Transmittal of New Application 3 View
2002-02-08 SPEC Specification 21 View
2002-02-08 CLM Claims 4 View
2002-02-08 ABST Abstract 1 View
2002-02-08 DRW Drawings-only black and white line drawings 6 View
2002-02-08 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,668,861
App. No.
10/072,061
Filed
2002-02-08
Granted
2003-12-30
Pub. No.
US20030150498A1
Art Unit
3753
PTA
-89 days