Electronic calculator
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FIG. 1 is a perspective view of an electronic calculator with the cover in open position showing our new design;
FIG. 2 is a front elevational view with the cover open of the electronic calculator;
FIG. 3 is a rear elevational view thereof with the cover open;
FIG. 4 is a front elevational view thereof with the cover closed;
FIG. 5 is a rear elevational view thereof with the cover closed;
FIG. 6 is a top plan view thereof with cover open;
FIG. 7 is a top plan view thereof with cover closed, the bottom plan view being a mirror image thereof;
FIG. 8 is a bottom plan view thereof with cover open;
FIG. 9 is a right side elevational view thereof with cover open, the left side elevational view being a mirror image thereof; and
FIG. 10 is a right side elevational view thereof with cover closed, the left side elevational view being a mirror image thereof.
| D243250 | February 1, 1977 | Hazama |
| D249822 | October 3, 1978 | Ohie et al. |
| D250063 | October 24, 1978 | Nishino et al. |
| D255125 | May 27, 1980 | Hazama et al. |
- Home Furnishings Daily, Mon. 6/2/75, p. 18-Sharp Foldable Calculator at center right. Merchandising, 6/1983, p. 57-Foldable Solar Calculator at lower right.
Type: Grant
Filed: May 2, 1983
Date of Patent: Jul 16, 1985
Assignee: Sharp Corporation (Osaka)
Inventors: Isao Kitai (Osaka), Mitsuo Yokoi (Osaka)
Primary Examiner: Louis S. Zarfas
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/490,691
