Calculator

Description

FIG. 1 is a top front perspective view of a calculator showing my new design;

FIG. 2 is a bottom front perspective view thereof;

FIG. 3 is a rear view thereof.

The numerals are shown in broken lines for illustrative purposes only.

Referenced Cited
U.S. Patent Documents
D236353 August 1975 Link
3017088 January 1962 Edwards et al.
Other references
  • Computer Design, Mar. 1976, p. 114, Portable Terminal.
Patent History
Patent number: D250294
Type: Grant
Filed: Jan 17, 1977
Date of Patent: Nov 14, 1978
Inventor: Joseph Rose (E. Northport, NY)
Primary Examiner: Susan J. Lucas
Attorney: Fernanda M. Fiordalisi
Application Number: 5/760,029
Classifications
Current U.S. Class: D64/11B
International Classification: D1801;