Electronic calculator

- Sharp Corporation
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;

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

FIG. 7 is a right front and top perspective view thereof.

Referenced Cited
U.S. Patent Documents
D263602 March 30, 1982 Yoshioka et al.
D269624 July 5, 1983 Sakata
D270646 September 20, 1983 Sakata
D273393 April 10, 1984 Sakamoto
D273502 April 17, 1984 Sakata
D273593 April 24, 1984 Sakamoto
D275769 October 2, 1984 Yamada
D276242 November 6, 1984 Sakamoto
D284200 June 10, 1986 Hayashi
D287139 December 9, 1986 Hayashi
4507745 March 26, 1985 Agrawal
Other references
  • Design News, 7/7/86; p. 105; Casio fx-7000G Scientific Calculator.
Patent History
Patent number: D317777
Type: Grant
Filed: Jun 14, 1988
Date of Patent: Jun 25, 1991
Assignee: Sharp Corporation (Osaka)
Inventors: Hiroshi Sakaguchi (Osaka), Keiichi Koyama (Osaka)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Flehr, Hohbach, Test, Albritton & Herbert
Application Number: 7/206,687
Classifications