IP Library › Granted Patent US 6,752,212
Granted Patent Utility
US 6,752,212 · Confirmation No. 4106

DUMP VALVE ASSEMBLY FOR SELECTIVE DRAINING OF LIQUID FROM AN OIL WELL PIPE STREAM

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2008-05-27 SOL.NTC.SUIT Report on the filing or determination of an action regarding a patent 1 View
2005-01-27 COCOUT Certificate of Correction - Post Issue Communication 1 View
2004-03-30 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-05-22 TRNA Transmittal of New Application 5 View
2003-05-22 SPEC Specification 5 View
2003-05-22 CLM Claims 7 View
2003-05-22 ABST Abstract 1 View
2003-05-22 DRW Drawings-only black and white line drawings 2 View
2003-05-22 OATH Oath or Declaration filed 2 View
2003-05-22 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,752,212
App. No.
10/443,522
Filed
2003-05-22
Granted
2004-06-22
Pub. No.
US20030192701A1
Art Unit
3672
PTA
0 days