IP Library › Granted Patent US 6,631,760
Granted Patent Utility
US 6,631,760 · Confirmation No. 3203

WELLBORE CASING

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 Code Description Pages PDF
2011-03-01 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2008-04-10 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2006-06-21 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2006-06-19 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2003-07-07 IFEE Issue Fee Payment (PTO-85B) 1 View
2003-07-07 LET. Miscellaneous Incoming Letter 2 View
2003-07-07 DRW Drawings-only black and white line drawings 1 View
2001-07-30 DRW Drawings-only black and white line drawings 26 View
2001-05-09 TRNA Transmittal of New Application 2 View
2001-05-09 A.PE Preliminary Amendment 5 View
2001-05-09 SPEC Specification 82 View
2001-05-09 CLM Claims 5 View
2001-05-09 ABST Abstract 1 View
2001-05-09 DRW Drawings-only black and white line drawings 26 View
2001-05-09 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,631,760
App. No.
09/852,027
Filed
2001-05-09
Granted
2003-10-14
Pub. No.
US20010045289A1
Art Unit
3672
PTA
-182 days