IP Library › Granted Patent US 6,634,886
Granted Patent Utility
US 6,634,886 · Confirmation No. 2338

AMUSEMENT SYSTEM HAVING TYPING PRACTICE FUNCTION, TYPING PRACTICE SYSTEM, AND COMPUTER READABLE STORAGE MEDIUM

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2016-05-03 EBCC.AD Notice of Change of Address Place in File Wrapper Due to Electronic Business Center(EBC) Customer Number Update 1 View
2001-01-30 TRNA Transmittal of New Application 2 View
2001-01-30 SPEC Specification 53 View
2001-01-30 CLM Claims 11 View
2001-01-30 ABST Abstract 1 View
2001-01-30 DRW Drawings-only black and white line drawings 25 View
2001-01-30 TRNA Transmittal of New Application 2 View
2001-01-30 SPEC Specification 53 View
2001-01-30 CLM Claims 11 View
2001-01-30 ABST Abstract 1 View
2001-01-30 DRW Drawings-only black and white line drawings 25 View
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Quick Facts
Patent No.
US 6,634,886
App. No.
09/772,571
Filed
2001-01-30
Granted
2003-10-21
Pub. No.
US20010014440A1
Art Unit
3714
PTA
-96 days