Electronic desk top calculator

- Casio
Description

FIG. 1 is a perspective view of an electronic desk top calculator showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a right elevational side view thereof;

FIG. 7 is a left side elevational view thereof; and

FIG. 8 is a perspective view of an electronic desk top calculator showing a second embodiment of my new design;

FIG. 9 is a perspective view of an electronic desk top calculator showing a third embodiment of my new design;

FIG. 10 is a perspective view of an electronic desk top calculator showing a fourth embodiment of my new design; and

FIG. 11 is a perspective view of an electronic desk top calculator showing a fifth embodiment of my new design.

The embodiment of FIGS. 8-11 have similar bottom plan views to that of the first embodiment, as shown in FIG. 3.

Referenced Cited
U.S. Patent Documents
D227671 July 1973 Yamamoto
D246205 October 25, 1977 Lewis
D248995 August 15, 1978 Hazama et al.
Other references
  • Home Furnishings Daily, Thurs. 2/13/1975, p. 11-Mini-root calculators at left.
Patent History
Patent number: D258740
Type: Grant
Filed: May 24, 1978
Date of Patent: Mar 31, 1981
Assignee: Casio Computer Co., Ltd. (Tokyo)
Inventor: Hidero Matsumoto (Hoya)
Primary Examiner: Louis S. Zarfas
Attorney: Robert D. Flynn
Application Number: 5/908,996
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;