IP Library › Granted Patent US 6,712,147
Granted Patent Utility
US 6,712,147 · Confirmation No. 5956

SPOOL FOR PRESSURE CONTAINMENT USED IN RIGLESS WELL COMPLETION, RE-COMPLETION, SERVICING OR WORKOVER

Inventor: L. Murray Dallas
Patented Case View Patent ↗ View Publication ↗
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2021-02-16 OATH Oath or Declaration filed 26 View
2005-08-11 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-02-13 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-13 LET. Miscellaneous Incoming Letter 2 View
2004-02-13 DRW Drawings-only black and white line drawings 12 View
2001-11-15 TRNA Transmittal of New Application 4 View
2001-11-15 ADS Application Data Sheet 1 View
2001-11-15 SPEC Specification 28 View
2001-11-15 CLM Claims 7 View
2001-11-15 ABST Abstract 1 View
2001-11-15 DRW Drawings-only black and white line drawings 12 View
2001-11-15 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,712,147
App. No.
09/998,953
Filed
2001-11-15
Granted
2004-03-30
Pub. No.
US20030089502A1
Art Unit
3672
PTA
-74 days