Electronic calculator

- Casio
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Description

FIG. 1 is a top plan view of an electronic calculator showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a bottom plan view thereof; and

FIG. 7 is a perspective view thereof.

Referenced Cited
U.S. Patent Documents
D238788 February 1976 Goldsamt
D244395 May 17, 1977 Garvey et al.
D257976 January 20, 1981 Schmidt
D261528 October 27, 1981 Sakai et al.
D276920 December 25, 1984 Peroni
D286056 October 7, 1986 Kikuchi et al.
Patent History
Patent number: D312833
Type: Grant
Filed: Jun 15, 1987
Date of Patent: Dec 11, 1990
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Naoki Kobayashi (Kawasaki)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/62,821
Classifications
Current U.S. Class: With Keyboard (D18/7)