IP Library › Granted Patent US 6,679,335
Granted Patent Utility
US 6,679,335 · Confirmation No. 7198

METHOD FOR PREPARING CASING FOR USE IN A WELLBORE

Patented Case View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2020-02-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-02-14 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-02-13 PA.. Power of Attorney 2 View
2020-02-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-02-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2003-10-30 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-10-30 LET. Miscellaneous Incoming Letter 1 View
2003-10-30 DRW Drawings-only black and white line drawings 5 View
2003-09-22 FRPR Certified Copy of Foreign Priority Application 3 View
2003-09-22 FRPR Certified Copy of Foreign Priority Application 15 View
2003-09-22 FRPR Certified Copy of Foreign Priority Application 15 View
2002-06-14 TRNA Transmittal of New Application 1 View
2002-06-14 SPEC Specification 19 View
2002-06-14 CLM Claims 4 View
2002-06-14 ABST Abstract 1 View
2002-06-14 DRW Drawings-only black and white line drawings 6 View
2002-06-14 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,679,335
App. No.
10/170,414
Filed
2002-06-14
Granted
2004-01-20
Pub. No.
US20030019637A1
Art Unit
3672
PTA
-14 days