IP Library Granted Patent US 6,648,081
Granted Patent Utility
US 6,648,081 · Confirmation No. 2014

SUBSEA WELLBORE DRILLING SYSTEM FOR REDUCING BOTTOM HOLE PRESSURE

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Code Description Pages PDF
2003-07-21 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-21 LET. Miscellaneous Incoming Letter 2 View
2002-03-08 TRNA Transmittal of New Application 2 View
2002-03-08 A.PE Preliminary Amendment 7 View
2002-03-08 SPEC Specification 20 View
2002-03-08 CLM Claims 11 View
2002-03-08 ABST Abstract 1 View
2002-03-08 DRW Drawings-only black and white line drawings 4 View
2002-03-08 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,648,081
App. No.
10/094,208
Filed
2002-03-08
Granted
2003-11-18
Pub. No.
US20020092655A1
Examiner
TSAY, FRANK
Art Unit
3672
PTA
-66 days