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App. No. 10/141,329 · Confirmation No. 7289

APPARATUS AND METHOD FOR REMOTE ADJUSTMENT OF DRILL STRING CENTERING TO PREVENT DAMAGE TO WELLHEAD

Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗ View Publication ↗
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 Code Description Pages PDF
2003-07-14 IFEE Issue Fee Payment (PTO-85B) 1 View
2002-05-08 TRNA Transmittal of New Application 2 View
2002-05-08 A.PE Preliminary Amendment 6 View
2002-05-08 SPEC Specification 15 View
2002-05-08 CLM Claims 6 View
2002-05-08 ABST Abstract 1 View
2002-05-08 DRW Drawings-only black and white line drawings 9 View
2002-05-08 OATH Oath or Declaration filed 5 View
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Quick Facts
App. No.
10/141,329
Filed
2002-05-08
Granted
2003-09-09
Pub. No.
US20020148616A1
Art Unit
3672
PTA
0 days