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App. No. 09/781,260 · Confirmation No. 8076

PUSHBUTTON STRUCTURE OF KEYBOARD THAT GENERATES PULSE-LIKE REACTION WHEN DEPRESSED

Inventor: Yong Te Tsau
Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362 View Patent ↗
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 Code Description Pages PDF
2011-10-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2011-10-24 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-26 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-20 R3.73 Assignee showing of ownership per 37 CFR 3.73 1 View
2009-02-20 N417 Electronic Filing System Acknowledgment Receipt 2 View
2009-02-20 PA.. Power of Attorney 1 View
2001-02-13 TRNA Transmittal of New Application 2 View
2001-02-13 SPEC Specification 8 View
2001-02-13 CLM Claims 3 View
2001-02-13 ABST Abstract 1 View
2001-02-13 DRW Drawings-only black and white line drawings 4 View
2001-02-13 OATH Oath or Declaration filed 1 View
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Quick Facts
App. No.
09/781,260
Filed
2001-02-13
Granted
2002-04-23
Art Unit
3612
PTA
0 days