Desk top electronic calculator

- Canon
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Description

FIG. 1 is a front elevational view of a desk top electronic calculator showing our new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view as seen from the left of FIG. 1;

FIG. 6 is a side elevational view as seen from the right of FIG. 1.

Referenced Cited
U.S. Patent Documents
D230404 February 1974 Jimbo
D251271 March 6, 1979 Kobayashi
D256696 September 2, 1980 Ikeda
D261773 November 10, 1981 Ichikawa et al.
4209735 June 24, 1980 Yoshida
Other references
  • HFD-Retailing Home Furnishings, 10/13/1980, p. 77-Sanyo CX2550, Solar Power Memory Calculator at left center.
Patent History
Patent number: D269356
Type: Grant
Filed: Sep 15, 1981
Date of Patent: Jun 14, 1983
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Eiichi Yoshioka (Abiko), Kaname Suwa (Yokohama), Masumi Ishiwatari (Zushi)
Primary Examiner: Louis S. Zarfas
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 6/302,453
Classifications
Current U.S. Class: With Keyboard (D18/7)
International Classification: D1801;