IP Library › Granted Patent US 6,550,893
Granted Patent Utility
US 6,550,893 · Confirmation No. 3561

SEMICONDUCTOR CHIP FOR AN INK JET PRINTHEAD AND METHOD FOR MAKING SAME

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2014-08-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-08-01 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2014-07-15 PA.. Power of Attorney 1 View
2014-07-15 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2014-07-15 N417 Electronic Filing System Acknowledgment Receipt 2 View
2002-01-14 TRNA Transmittal of New Application 7 View
2002-01-14 A.PE Preliminary Amendment 5 View
2002-01-14 SPEC Specification 8 View
2002-01-14 CLM Claims 4 View
2002-01-14 ABST Abstract 1 View
2002-01-14 DRW Drawings-only black and white line drawings 6 View
2002-01-14 OATH Oath or Declaration filed 3 View
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Quick Facts
Patent No.
US 6,550,893
App. No.
10/047,055
Filed
2002-01-14
Granted
2003-04-22
Pub. No.
US20020118252A1
Examiner
DO, AN H
Art Unit
2853
PTA
-3 days