Electronic calculator

- Casio
Description

FIG. 1 is a front elevational view of a electronic calculator showing my new design;

FIG. 2 is a right side elvational view thereof;

FIG. 3 is a left side elevational view;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan elevational view thereof; and

FIG. 6 is a rear elevational view thereof;

Referenced Cited
U.S. Patent Documents
D241381 September 1976 Garnier
D248994 August 15, 1978 Ikeda
D249092 August 22, 1978 Ohie
D273201 March 27, 1984 Sakata
D279109 June 4, 1985 Yubisui et al.
D293920 January 26, 1988 Yubisui et al.
D297947 October 4, 1988 Yubisui et al.
4264962 April 28, 1981 Kodaira
4369498 January 18, 1983 Schulte
Other references
  • HFE-Retailing Home Furnishings, 6/5/1978, p. 55, bottom left #EL-8142 & EL-8138E. W. Bell Catalog, 1981, p. 234, Sharp Calculator #H, top right of page. W. Bell Catalog, 1984, p. 274, Texas Instruments TI-1766 #A, top left of page.
Patent History
Patent number: D304731
Type: Grant
Filed: Nov 24, 1986
Date of Patent: Nov 21, 1989
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Yuichi Ohnumata (Kunitachi)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 6/934,320
Classifications
Current U.S. Class: With Keyboard (D18/7)