Electronic calculator

- Sharp Kabushiki Kaisha
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Description

FIG. 1 is a top plan view of the electronic calculator showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a right side elevational view thereof; and

FIG. 6 is a left side elevational view thereof.

Referenced Cited
U.S. Patent Documents
D249092 August 22, 1978 Ohie
D249742 September 26, 1978 Ohie
D255124 May 27, 1980 Ohie
D258894 April 14, 1981 Kitai
D269354 June 14, 1983 Ishida
D273303 April 3, 1984 Sakamoto
D286544 November 4, 1986 Satake
D287024 December 2, 1986 Satake
D294369 February 23, 1988 Yubisui
Other references
  • Evans Catalog, 1981/82, p. 241, #7. Evans Catalog, 1983/84, p. 296, #11.
Patent History
Patent number: D303680
Type: Grant
Filed: Nov 21, 1986
Date of Patent: Sep 26, 1989
Assignee: Sharp Kabushiki Kaisha (Osaka)
Inventors: Takahisa Yubisui (Osaka), Hiroshi Sakaguchi (Osaka), Mieko Harada (Osaka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/933,586
Classifications
Current U.S. Class: With Keyboard (D18/7)