IP Library › Granted Patent US 6,568,492
Granted Patent Utility
US 6,568,492 · Confirmation No. 9183

DRAG-TYPE CASING MILL/DRILL BIT

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2019-11-19 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2019-11-19 C.AD.PAIR Change of Address via Patent Application Information Retrieval (PAIR) 1 View
2016-05-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-05-02 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2016-04-28 PA.. Power of Attorney 2 View
2016-04-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 2 View
2016-04-28 R3.73 Assignee showing of ownership per 37 CFR 3.73 3 View
2016-04-28 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-03-02 TRNA Transmittal of New Application 3 View
2001-03-02 ADS Application Data Sheet 1 View
2001-03-02 SPEC Specification 12 View
2001-03-02 CLM Claims 4 View
2001-03-02 ABST Abstract 1 View
2001-03-02 DRW Drawings-only black and white line drawings 3 View
2001-03-02 OATH Oath or Declaration filed 4 View
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Quick Facts
Patent No.
US 6,568,492
App. No.
09/798,171
Filed
2001-03-02
Granted
2003-05-27
Pub. No.
US20020121393A1
Art Unit
3672
PTA
0 days