IP Library Patent Application 09845060
Patent Application Utility
App. No. 09/845,060 · Confirmation No. 1676

UP-HOLE OVERSHOT AND SAFETY DRILLING APPARATUS

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
2008-07-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-23 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2008-07-12 PA.. Power of Attorney 2 View
2008-07-12 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2008-07-12 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-04-27 TRNA Transmittal of New Application 2 View
2001-04-27 SPEC Specification 14 View
2001-04-27 CLM Claims 9 View
2001-04-27 ABST Abstract 1 View
2001-04-27 DRW Drawings-only black and white line drawings 5 View
2001-04-27 OATH Oath or Declaration filed 3 View
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Quick Facts
App. No.
09/845,060
Filed
2001-04-27
Granted
2003-05-20
Pub. No.
US20020157872A1
Art Unit
3671
PTA
-7 days