FIG. 1 is a perspective view of the keyboard showing my design;

FIG. 2 is a side view of the keyboard on an enlarged scale embodying my design.

Referenced Cited
U.S. Patent Documents
D226198 January 1973 King
3810167 May 1974 Shepard
Other references
  • Datamation, Aug. 1975, p. 89, Keyboard.
Patent History
Patent number: D249513
Type: Grant
Filed: Nov 15, 1976
Date of Patent: Sep 19, 1978
Assignee: Mohawk Data Sciences Corp. (Herkimer, NY)
Inventor: Clarence D. Zierhut (Richardson, TX)
Primary Examiner: Susan J. Lucas
Attorney: Robert R. Hubbard
Application Number: 5/742,031
Current U.S. Class: D14/45
International Classification: D1402;