IP Library › Granted Patent US 6,546,921
Granted Patent Utility
US 6,546,921 · Confirmation No. 6411

HEATED PCV VALVE

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 Code Description Pages PDF
2002-04-30 TRNA Transmittal of New Application 1 View
2002-04-30 SPEC Specification 12 View
2002-04-30 CLM Claims 4 View
2002-04-30 ABST Abstract 1 View
2002-04-30 DRW Drawings-only black and white line drawings 2 View
2002-04-30 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,546,921
App. No.
10/135,467
Filed
2002-04-30
Granted
2003-04-15
Art Unit
3747
PTA
0 days