Desk-top electronic calculator

- Canon
Description

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

FIG. 2 is a rear 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 and

FIG. 7 is a perspective view of the desk-top electronic calculator.

Referenced Cited
U.S. Patent Documents
D273200 March 27, 1984 Sakata
D282854 March 4, 1986 Yoshioka et al.
4086451 April 25, 1978 Boulanger
4558427 December 10, 1985 Takeuchi et al.
Other references
  • American Express Card Calculator Flyer. Hong Kong Enterprise 5/1981, p. 303-Brinlock Abacus 8000 Calculator at top.
Patent History
Patent number: D287507
Type: Grant
Filed: Dec 5, 1983
Date of Patent: Dec 30, 1986
Assignee: Canon Kabushiki Kaisha (Tokyo)
Inventors: Eiichi Yoshioka (Abiko), Yuji Harada (Tokyo)
Primary Examiner: Louis S. Zarfas
Law Firm: Fitzpatrick, Cella, Harper & Scinto
Application Number: 6/557,938
Classifications
Current U.S. Class: With Keyboard (D18/7)