Electronic calculator

- Casio
Skip to: Description  ·  References Cited  · Patent History  ·  Patent History
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;

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
D258740 March 31, 1981 Matsumoto
D273307 April 3, 1984 Yamagami
D282853 March 4, 1986 Yoshioka et al.
D287507 December 30, 1986 Yoshioka et al.
D287508 December 30, 1986 Yoshioka et al.
D297547 September 6, 1988 Sasaki
4697072 September 29, 1987 Kawana
Other references
  • Office Products Dealer (OPD); Jul. 1985; p. 77; lower left corner. Hong Kong Enterprise; Sep. 1985; p. 300; #601; lower left side.
Patent History
Patent number: D314206
Type: Grant
Filed: Apr 20, 1987
Date of Patent: Jan 29, 1991
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Yukinori Ido (Tokyo)
Primary Examiner: Nelson C. Holtje
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/40,580
Classifications
Current U.S. Class: With Keyboard (D18/7)