Keyboard for data processing system

- Casio
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Description

FIG. 1 is a front elevational view of a keyboard for data processing system showing my new design;

FIG. 2 is a right side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a top, front, right side perspective view thereof.

Referenced Cited
U.S. Patent Documents
D270639 September 20, 1983 Goodin et al.
D308668 June 19, 1990 Briscoe et al.
4244659 January 13, 1981 Malt
4483634 November 20, 1984 Frey et al.
4579470 April 1, 1986 Casey
4597681 July 1, 1986 Hodges
Other references
  • Electronic Design, Jun. 19, 1986, p. 82, The IBM-Enhanced Personal Computer Keyboard (No. 1).
Patent History
Patent number: D316405
Type: Grant
Filed: Feb 27, 1989
Date of Patent: Apr 23, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Isamu Yoshitake (Fuchu)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Freda S. Nunn
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/316,451
Classifications
Current U.S. Class: D14/100