Design for a handheld calculator
Ichikawa , et al. November 10, 1
U.S. patent number D261,773 [Application Number 06/020,558] was granted by the patent office on 1981-11-10 for design for a handheld calculator. This patent grant is currently assigned to Texas Instruments Incorporated. Invention is credited to Shinpei Ichikawa, William J. Lawrence.
| United States Patent | D261,773 |
| Ichikawa , et al. | November 10, 1981 |
Design for a handheld calculator
Claims
The ornamental design for a handheld calculator, substantially as shown and described.
| Inventors: | Ichikawa; Shinpei (Lubbock, TX), Lawrence; William J. (Dallas, TX) |
|---|---|
| Assignee: | Texas Instruments Incorporated
(Dallas, TX) |
| Appl. No.: | 06/020,558 |
| Filed: | March 15, 1979 |
| Current U.S. Class: | D18/7 |
| Current International Class: | D1801 |
| Field of Search: | ;D18/2,6-8 ;D14/45 ;200/5R ;364/706-710 |
References Cited [Referenced By]
U.S. Patent Documents
| D251330 | March 1979 | Kurosu et al. |
| 4092527 | May 1978 | Luecke |
| 4104728 | August 1978 | Kasubuchi |
Attorney, Agent or Firm: Marshall, Jr.; Robert D. Heiting; Leo N. Sharp; Melvin
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.
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