Portable calculator
Bellini March 3, 1
U.S. patent number D258,451 [Application Number 05/951,236] was granted by the patent office on 1981-03-03 for portable calculator. This patent grant is currently assigned to Ing. C. Olivetti & C., S.p.A.. Invention is credited to Mario Bellini.
| United States Patent | D258,451 |
| Bellini | March 3, 1981 |
Portable calculator
Claims
The ornamental design for a portable calculator, substantially as shown and described.
| Inventors: | Bellini; Mario (Milan, IT) |
|---|---|
| Assignee: | Ing. C. Olivetti & C.,
S.p.A. (Ivrea, IT) |
| Appl. No.: | 05/951,236 |
| Filed: | October 13, 1978 |
Foreign Application Priority Data
| Apr 14, 1978 [IT] | 53190 B/78 | |||
| Current U.S. Class: | D18/7 |
| Current International Class: | D1801 |
| Field of Search: | ;D18/1,2,6-8,11,12 ;D14/45 ;364/706-710 ;200/5A |
References Cited [Referenced By]
U.S. Patent Documents
| D218485 | August 1970 | Grange |
| D228784 | October 1973 | Kital |
| D237216 | October 1975 | Bellini |
Attorney, Agent or Firm: Schuyler, Jr.; William E.
Description
FIG. 1 is a perspective view taken from the front, top and right of a portable calculator showing my new design;
FIG. 2 is a perspective view taken from rear, top and left thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a right side elevational view thereof.
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