IP Library Granted Patent US 6,717,531
Granted Patent Utility
US 6,717,531 · Confirmation No. 4670

KEYBOARD DEVICE AND A METHOD OF CONTROLLING A POWER SUPPLY INCORPORATED IN THE KEYBOARD DEVICE

Inventor: Keiichi Hayashi
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Code Description Pages PDF
2005-05-24 WFEE Fee Worksheet (SB06) 1 View
2004-02-18 IFEE Issue Fee Payment (PTO-85B) 2 View
2003-12-09 DRW Drawings-only black and white line drawings 1 View
2003-12-09 LET. Miscellaneous Incoming Letter 1 View
2001-01-18 TRNA Transmittal of New Application 4 View
2001-01-18 SPEC Specification 11 View
2001-01-18 CLM Claims 3 View
2001-01-18 ABST Abstract 1 View
2001-01-18 DRW Drawings-only black and white line drawings 3 View
2001-01-18 OATH Oath or Declaration filed 2 View
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Quick Facts
Patent No.
US 6,717,531
App. No.
09/761,586
Filed
2001-01-18
Granted
2004-04-06
Pub. No.
US20010009401A1
Art Unit
2635
PTA
-120 days