IP Library › Granted Patent US 6,732,821
Granted Patent Utility
US 6,732,821 · Confirmation No. 9621

PROFILED ELEMENT FOR ROTARY DRILLING EQUIPMENT AND APPLICATIONS TO COMPONENTS OF A STRING OF DRILL PIPES

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 Code Description Pages PDF
2007-05-23 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2004-03-29 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-28 TRNA Transmittal of New Application 1 View
2002-05-28 SPEC Specification 31 View
2002-05-28 CLM Claims 8 View
2002-05-28 ABST Abstract 1 View
2002-05-28 DRW Drawings-only black and white line drawings 11 View
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Quick Facts
Patent No.
US 6,732,821
App. No.
10/155,242
Filed
2002-05-28
Granted
2004-05-11
Pub. No.
US20030221872A1
Art Unit
3672
PTA
-30 days