Wrist watch with electronic calculator

- Casio
Description

FIG. 1 is a front elevation view of a wrist watch with electronic calculator showing my new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear elevation view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is a right side elevation view thereof with the front cover opened;

FIG. 9 is a left side elevation view thereof with the front cover opened; and,

FIG. 10 is a perspective view thereof with the front cover opened.

Referenced Cited
U.S. Patent Documents
D244012 April 12, 1977 Cake
D266491 October 12, 1982 Abe
D267861 February 8, 1983 Ohsawa
D279272 June 18, 1985 Sharpe
D339299 September 14, 1993 Kawashima
3928960 December 1975 Reese
5138590 August 11, 1992 Masuda
Other references
  • Swiss Watch & Jewelry Journal--Mar. 1978--p. 386--Watches #20 & 22 at top.
Patent History
Patent number: D353778
Type: Grant
Filed: Nov 24, 1992
Date of Patent: Dec 27, 1994
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Shigeru Hanagata (Kawasaki)
Primary Examiner: Nelson C. Holtje
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 0/1,859