IP Library › Granted Patent US 6,679,289
Granted Patent Utility
US 6,679,289 · Confirmation No. 9724

SWING CHECK VALVE

Inventor: David E. Sisk
Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2011-04-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-04-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2003-12-22 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-11-06 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-02-08 TRNA Transmittal of New Application 2 View
2002-02-08 DRW Drawings-only black and white line drawings 8 View
2001-10-01 TRNA Transmittal of New Application 2 View
2001-10-01 SPEC Specification 18 View
2001-10-01 CLM Claims 2 View
2001-10-01 ABST Abstract 1 View
2001-10-01 DRW Drawings-only black and white line drawings 7 View
2001-10-01 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,679,289
App. No.
09/968,257
Filed
2001-10-01
Granted
2004-01-20
Pub. No.
US20020078999A1
Art Unit
3753
PTA
-66 days