Case for a printing calculator

Description

FIG. 1 is a view in perspective of a case for a printing calculator showing our new design;

FIG. 2 is top plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof; and

FIG. 5 is a rear elevational view thereof. The bottom of the calculator case is plain and conventional.

Referenced Cited
U.S. Patent Documents
D227473 June 1973 Lampel
D233442 October 1974 Saito
D235451 June 1975 Ishikawa
D250293 November 14, 1978 Lawrence
Patent History
Patent number: D253955
Type: Grant
Filed: Feb 21, 1978
Date of Patent: Jan 15, 1980
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Eugene J. Sulek (TX), Richard R. Nesbitt (TX)
Primary Examiner: Louis S. Zarfas
Attorney: Rene' E. Grossman
Application Number: 5/879,553
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;