Wristwatch calculator
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Description
FIG. 1 is a front perspective view of a wristwatch calculator showing my new design;
FIG. 2 is a top plan view thereof, the bottom being conventional.
Referenced Cited
U.S. Patent Documents
Other references
| D243751 | March 22, 1977 | Price |
| 3803834 | April 1974 | Reese |
| 3928960 | December 1975 | Reese |
| 3955355 | May 11, 1976 | Luce |
| 4022014 | May 10, 1977 | Lowdenslager |
| 4041295 | August 9, 1977 | Ido |
- Form -- 8/1/76, p. 42, watch-calculator center-left. Jeweler's Circular-Keystone -- 3/76, p. 58, watch-calculator at top-left. Office Products -- 8/71, p. 6, calculator. Home Furnishings Daily -- 2/13/75, p. 28, H.P. calculator at right.
Patent History
Patent number: D249243
Type: Grant
Filed: Nov 12, 1976
Date of Patent: Sep 5, 1978
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventor: Edward E. Salter (Redwood City, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Patrick J. Barrett
Application Number: 5/741,328
Type: Grant
Filed: Nov 12, 1976
Date of Patent: Sep 5, 1978
Assignee: Hewlett-Packard Company (Palo Alto, CA)
Inventor: Edward E. Salter (Redwood City, CA)
Primary Examiner: Nelson C. Holtje
Attorney: Patrick J. Barrett
Application Number: 5/741,328
Classifications
