Keyboard

Details Keyboard Keyboard

2007-07-10

2007-07-10

Douglas, Alan P. (Department: 2911)

Recording, communication, or information retrieval equipment

Computer, data processor equipment

Element or attachment

Design Patent

active

29208838

CLAIM:
The ornamental design for keyboard, as shown and described.

REFERENCES:
patent: 4154007 (1979-05-01), Judd
patent: D256230 (1980-08-01), Beale et al.
patent: D262215 (1981-12-01), Obst
patent: D270637 (1983-09-01), Fukushima et al.
patent: D305023 (1989-12-01), Suto
patent: D310791 (1990-09-01), Farrell et al.
patent: D331063 (1992-11-01), Pasierb
patent: 5654701 (1997-08-01), Liao et al.
patent: D384942 (1997-10-01), Vinuela
patent: D389762 (1998-01-01), Yorkey
patent: D440566 (2001-04-01), Chou
patent: 2002/0075237 (2002-06-01), Chou
Demmel Gruppe, VAS, Nov. 1996, pdf version available at http://www.demmel.ag/content.php?Siteld=344&lang=eng.

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