IP Library › Granted Patent US 6,412,894
Granted Patent Utility
US 6,412,894 · Confirmation No. 8949

INK CARTRIDGE AND METHOD FOR DETERMINING INK VOLUME IN SAID INK CARTRIDGE

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 Code Description Pages PDF
2020-07-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-07-22 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2020-07-16 PA.. Power of Attorney 6 View
2020-07-16 N417 Electronic Filing System Acknowledgment Receipt 2 View
2014-07-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-07-25 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-07-09 PA.. Power of Attorney 1 View
2014-07-09 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-07-09 N417 Electronic Filing System Acknowledgment Receipt 2 View
2001-01-19 TRNA Transmittal of New Application 3 View
2001-01-19 SPEC Specification 11 View
2001-01-19 CLM Claims 7 View
2001-01-19 ABST Abstract 1 View
2001-01-19 DRW Drawings-only black and white line drawings 6 View
2001-01-19 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,412,894
App. No.
09/766,363
Filed
2001-01-19
Granted
2002-07-02
Pub. No.
US20020097283A1
Art Unit
2853
PTA
0 days