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App. No. 10/074,852 · Confirmation No. 6842

METHOD FOR MEASURING THE DEPTH OF WELL

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
2011-10-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-13 PA.. Power of Attorney 2 View
2011-10-13 N417 Electronic Filing System Acknowledgment Receipt 2 View
2011-10-13 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2011-10-13 C.AD Change of Address 2 View
2009-01-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-01-12 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-12-19 PET.POA.WDRW Request for withdrawal as attorney or agent 2 View
2008-12-19 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-02-11 TRNA Transmittal of New Application 2 View
2002-02-11 SPEC Specification 7 View
2002-02-11 CLM Claims 4 View
2002-02-11 ABST Abstract 1 View
2002-02-11 DRW Drawings-only black and white line drawings 4 View
2002-02-11 OATH Oath or Declaration filed 2 View
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Quick Facts
App. No.
10/074,852
Filed
2002-02-11
Granted
2003-01-14
Pub. No.
US20020164831A1
Art Unit
2812
PTA
0 days