IP Library › Granted Patent US 6,725,939
Granted Patent Utility
US 6,725,939 · Confirmation No. 7266

EXPANDABLE CENTRALIZER FOR DOWNHOLE TUBULARS

Inventor: Bennett M. Richard
Patented Case View Patent ↗ View Publication ↗
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2004-03-10 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-03-10 C.AD Change of Address 1 View
2003-12-22 IDS Information Disclosure Statement (IDS) Form (SB08) 5 View
2003-12-22 FOR Foreign Reference 5 View
2003-12-22 FOR Foreign Reference 30 View
2002-06-18 TRNA Transmittal of New Application 2 View
2002-06-18 SPEC Specification 5 View
2002-06-18 CLM Claims 1 View
2002-06-18 ABST Abstract 1 View
2002-06-18 DRW Drawings-only black and white line drawings 2 View
2002-06-18 LET. Miscellaneous Incoming Letter 1 View
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Quick Facts
Patent No.
US 6,725,939
App. No.
10/174,106
Filed
2002-06-18
Granted
2004-04-27
Pub. No.
US20030230411A1
Art Unit
3672
PTA
-8 days