IP Library › Granted Patent US 6,655,697
Granted Patent Utility
US 6,655,697 · Confirmation No. 1522

PISTON OIL RING HAVING LAND FLANKED BY CONCAVE SIDEWALLS

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 Code Description Pages PDF
2003-10-02 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-26 LET. Miscellaneous Incoming Letter 2 View
2002-01-18 TRNA Transmittal of New Application 14 View
2002-01-18 SPEC Specification 6 View
2002-01-18 CLM Claims 3 View
2002-01-18 ABST Abstract 1 View
2002-01-18 DRW Drawings-only black and white line drawings 2 View
2002-01-18 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,655,697
App. No.
10/051,799
Filed
2002-01-18
Granted
2003-12-02
Pub. No.
US20020070507A1
Art Unit
3676
PTA
-99 days