Design for a handheld calculator

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Description

FIG. 1 is a top right perspective view of _a handheld calculator showing our new design;

FIG. 2 is a top plan view of the handheld calculator shown _in FIG. 1;

FIG. 3 is a right side elevational view of the _handheld calculator; and

FIG. 4 is a front end view of the handheld calculator.

The bottom of the handheld calculator is plain and unornamented.

Referenced Cited
U.S. Patent Documents
D251330 March 13, 1979 Kurosu et al.
4092527 May 30, 1978 Luecke
4104728 August 1, 1978 Kasubuchi
Patent History
Patent number: D261773
Type: Grant
Filed: Mar 15, 1979
Date of Patent: Nov 10, 1981
Assignee: Texas Instruments Incorporated (Dallas, TX)
Inventors: Shinpei Ichikawa (Lubbock, TX), William J. Lawrence (Dallas, TX)
Primary Examiner: Louis S. Zarfas
Attorneys: Robert D. Marshall, Jr., Leo N. Heiting, Melvin Sharp
Application Number: 6/20,558
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;