Electronic calculator

- Sharp Kabushiki Kaishi
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; and

FIG. 5 is a right side elevational view thereof, the left side elevational view being a mirror image thereof.

Referenced Cited
U.S. Patent Documents
D257045 September 23, 1980 Ikeda
D269276 June 7, 1983 Sawada
D279109 June 4, 1985 Yubisui
D287024 December 2, 1986 Satake
D289903 May 19, 1987 Kikuchi
Other references
  • Best Co., 1983/1984, p. 326, #4. Hong Kong Enterprise, 9/1985, p. 169.
Patent History
Patent number: D303678
Type: Grant
Filed: Sep 24, 1986
Date of Patent: Sep 26, 1989
Assignee: Sharp Kabushiki Kaishi (Osaka)
Inventors: Takahisa Yubisui (Osaka), Hiroshi Sakaguchi (Osaka), Masaki Kawamura (Osaka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 6/911,623
Classifications
Current U.S. Class: With Keyboard (D18/7)