Combined electronic calculator and battery tester

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

FIG. 1 is a front elevation view of a combined electronic calculator and battery tester having the function of measure the voltage of battery showing our 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; and,

FIG. 8 is a front elevation view of an electronic calculator with its cover opened.

Referenced Cited
U.S. Patent Documents
D308692 June 19, 1990 Sakaguchi et al.
D317619 June 18, 1991 Sawada et al.
D328891 August 25, 1992 Sakaguchi et al.
Patent History
Patent number: D351185
Type: Grant
Filed: Jun 25, 1992
Date of Patent: Oct 4, 1994
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventors: Makoto Matsuda (Matsudo), Yuichi Onumata (Ome)
Primary Examiner: Alan P. Douglas
Assistant Examiner: Caron D. Veynar
Law Firm: Frishauf, Holtz, Goodman & Woodward
Application Number: 7/903,879