Desk-top electronic calculator

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Information

Patent Grant
D287507

References
Source

Patent Number
D287,507
Date Filed
Monday, December 5, 1983
40 years ago
Date Issued
Tuesday, December 30, 1986
37 years ago

Inventors
- Yuji Harada
- Eiichi Yoshioka
Original Assignees
- Canon Kabushiki Kaisha
Examiners
- Zarfas; Louis S.
Agents
- Fitzpatrick, Cella, Harper & Scinto

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 2
- D18 7
- D18 8
- D18 11
- D18 12
- D10 461
- D04 13
- 200 5 A
- 364 706-710
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a desk-top electronic calculator, as shown and described.

Priority Claims (1)

Number	Date	Country	Kind
58-29604	Jul 1983	JPX

US Referenced Citations (4)

Number	Name	Date	Kind
D273200	Sakata	Mar 1984
D282854	Yoshioka et al.	Mar 1986
4086451	Boulanger	Apr 1978
4558427	Takeuchi et al.	Dec 1985

Non-Patent Literature Citations (2)

Entry
American Express Card Calculator Flyer.
Hong Kong Enterprise 5/1981, p. 303-Brinlock Abacus 8000 Calculator at top.