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App. No. 10/305,558 · Confirmation No. 8738

WELLHEAD ASSEMBLY FOR COMMUNICATING WITH THE CASING HANGER ANNULUS

Inventor: Alan Murray Clark
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
⬇ PDF
 Code Description Pages PDF
2004-02-09 IFEE Issue Fee Payment (PTO-85B) 1 View
2004-02-09 LET. Miscellaneous Incoming Letter 1 View
2004-02-09 DRW Drawings-only black and white line drawings 3 View
2002-11-27 TRNA Transmittal of New Application 2 View
2002-11-27 SPEC Specification 13 View
2002-11-27 CLM Claims 5 View
2002-11-27 ABST Abstract 1 View
2002-11-27 DRW Drawings-only black and white line drawings 3 View
2002-11-27 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
10/305,558
Filed
2002-11-27
Granted
2004-03-23
Pub. No.
US20030111229A1
Art Unit
3671
PTA
-49 days