Calculator casing

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Description

FIG. 1 is a view in perspective of a calculator casing showing my new design;

FIG. 2 is a side elevational view thereof on an enlarged scale;

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

FIG. 4 is a front elevational view thereof on an enlarged scale; and

FIG. 5 is a back elevational view thereof of an enlarged scale.

The bottom side of the calculator casing is plain and conventional.

Referenced Cited
U.S. Patent Documents
D233442 October 1974 Saito
Other references
  • Casio R-1 Electronic Desktop Printing Calculator Advertisement, Calculator.
Patent History
Patent number: D250293
Type: Grant
Filed: Sep 2, 1976
Date of Patent: Nov 14, 1978
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventor: William J. Lawrence (Dallas, TX)
Primary Examiner: Susan J. Lucas
Attorney: Harold Levine
Application Number: 5/719,787
Classifications
Current U.S. Class: D64/11B
International Classification: D1801;