Electronic calculator with solar batteries

- Sharp Corporation
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Description

FIG. 1 is a top plan view of an electronic calculator with solar batteries showing my 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 left side elevational view thereof, the right side being identical.

Referenced Cited
U.S. Patent Documents
D263602 March 30, 1982 Yoshioka et al.
D263966 April 20, 1982 Kobayashi
D268346 March 22, 1983 Kobayashi
Other references
  • HFD-Retailing Home Furnishings, 7/14/80, Section One, p. 50-Solar Calculator PS II at bottom right. HFD-Retailing Home Furnishings, 6/1/81, Section A, p. 19-Solar Calculator at bottom center.
Patent History
Patent number: D273301
Type: Grant
Filed: Dec 14, 1981
Date of Patent: Apr 3, 1984
Assignee: Sharp Corporation (Osaka)
Inventor: Masaji Sawada (Osaka)
Primary Examiner: Louis S. Zarfas
Law Firm: Flehr, Hohbach, Test
Application Number: 6/330,229
Classifications
Current U.S. Class: With Keyboard (D18/7)