IP Library Granted Patent US 6,629,621
Granted Patent Utility Small
US 6,629,621 · Confirmation No. 4237

GAUGE HATCH WITH PRESSURE RESPONSIVE LIQUID SEAL SUBASSEMBLY

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2005-01-19 COCOUT Certificate of Correction - Post Issue Communication 1 View
2003-08-08 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-08-08 LET. Miscellaneous Incoming Letter 2 View
2003-08-08 DRW Drawings-only black and white line drawings 6 View
2001-06-12 TRNA Transmittal of New Application 3 View
2001-06-12 SPEC Specification 24 View
2001-06-12 CLM Claims 4 View
2001-06-12 ABST Abstract 1 View
2001-06-12 DRW Drawings-only black and white line drawings 5 View
2001-06-12 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,629,621
App. No.
09/879,843
Filed
2001-06-12
Granted
2003-10-07
Art Unit
3727
PTA
-77 days