IP Library › Granted Patent US 6,439,785
Granted Patent Utility
US 6,439,785 · Confirmation No. 8077

KEYBOARD HAVING CHANGEABLE DECORATION

Inventor: Chung Shen Liu
Patented Case View Patent ↗ View Publication ↗
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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
2009-02-27 N570 Communication - Re: Power of Attorney (PTOL-308) 1 View
2009-02-27 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 6 View
2001-02-13 CLM Claims 2 View
2001-02-13 ABST Abstract 1 View
2001-02-13 DRW Drawings-only black and white line drawings 5 View
2001-02-13 OATH Oath or Declaration filed 1 View
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Quick Facts
Patent No.
US 6,439,785
App. No.
09/781,259
Filed
2001-02-13
Granted
2002-08-27
Pub. No.
US20020109960A1
Art Unit
2854
PTA
0 days