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
D282853 March 4, 1986 Yoshioka et al.
D297547 September 6, 1988 Sasaki
4697072 September 29, 1987 Kawana
Other references
  • Evans; 1983/84; p. 296, #7, Royal Calculator. W. Bell; 1985; p. 293, #8, Panasonic Calculator.
Patent History
Patent number: D307291
Type: Grant
Filed: Jul 7, 1987
Date of Patent: Apr 17, 1990
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Yukihiko Ida (Higashi-Kurume)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/70,510
Classifications
Current U.S. Class: With Keyboard (D18/7)