Desk top calculator

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Description

FIG. 1 is a perspective view taken from the front, top and right of a desk top 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;

Referenced Cited
U.S. Patent Documents
D226485 March 1973 Kitai
D227472 June 1973 Hikawa
D236132 July 1975 Bellini
D242721 December 14, 1976 Herr et al.
Patent History
Patent number: D258664
Type: Grant
Filed: Oct 13, 1978
Date of Patent: Mar 24, 1981
Assignee: Ing. C. Olivetti & C., S.p.A. (Ivrea)
Inventor: Mario Bellini (Milan)
Primary Examiner: Louis S. Zarfas
Attorney: William E. Schuyler, Jr.
Application Number: 5/951,235
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;