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
Other references
D236353 | August 1975 | Link |
3017088 | January 1962 | Edwards et al. |
- 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
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;
International Classification: D1801;