Electronic calculator

- Sharp Corporation
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Description

FIG. 1 is a perspective view of the electronic calculator, with the cover closed, showing our new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right side elevational view thereof; and

FIG. 7 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D256694 September 2, 1980 Kitai
D269355 June 14, 1983 Yamagami
D284200 June 10, 1986 Hayashi
D293920 January 26, 1988 Yubisui et al.
D297947 October 4, 1988 Yubisui et al.
Other references
  • Best, 1985/86; p. 307; #15 Casio; upper left corner. W. Bell, 1986, p. 289; #16 Texas Instruments; lower left corner.
Patent History
Patent number: D309910
Type: Grant
Filed: Apr 6, 1987
Date of Patent: Aug 14, 1990
Assignee: Sharp Corporation (Osaka)
Inventors: Hiroshi Sakaguchi (Osaka), Toshiya Takahashi (Osaka)
Primary Examiner: Nelson C. Holtje
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 7/35,138
Classifications
Current U.S. Class: With Keyboard (D18/7)