Personal computer keyboard template for displaying operating instructions for software program

- TDA, Inc.
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a front, top and left side perspective view of a personal computer keyboard template for displaying operating instructions for software program showing my new design, the keyboard being shown in broken lines for illustrative purposes only;

FIG. 2 is a top plan view thereof on an enlarged scale;

FIG. 3 is a front elevational view thereof on an enlarged scale;

FIG. 4 is a bottom plan view thereof on an enlarged scale;

FIG. 5 is a left side elevational view thereof on an enlarged scale;

FIG. 6 is a right side elevational view thereof on an enlarged scale.

Referenced Cited
U.S. Patent Documents
4075465 February 21, 1978 Funk et al.
4274081 June 16, 1981 Nomura et al.
4479317 October 30, 1984 Hanna
4512092 April 23, 1985 McLaughlin et al.
Other references
  • Byte, 5-1983, p. 251, Keyboard Template. Computer Accessories & Peripherals (CAP), 12-1983, p. 82, PC-Documate Keyboard Overlay. IBM Technical Disclosure Bulletin, vol. 24, No. 10, 3-1982, p. 4905, Keyboard Templates w. Container.
Patent History
Patent number: D291699
Type: Grant
Filed: Jul 9, 1985
Date of Patent: Sep 1, 1987
Assignee: TDA, Inc. (Redmond, WA)
Inventor: Thorvald E. Duffin, II (Reston, VA)
Primary Examiner: Susan J. Lucas
Attorney: John L. Hummer
Application Number: 6/753,096
Classifications
Current U.S. Class: D14/114