Electronic calculator

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Information

Patent Grant
D317778

References
Source

Patent Number
D317,778
Date Filed
Friday, January 27, 1989
36 years ago
Date Issued
Tuesday, June 25, 1991
33 years ago

Inventors
- Yuichi Onumata
Original Assignees
- CASIO COMPUTER CO., LTD.
Examiners
- Holtje; Nelson C.
- Veynar; Caron D.
Agents
- Frishauf, Holtz, Goodman & Woodward

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 6
- D18 7
- D14 100
- D14 106
- D14 107
- 235 61 R
- 364 706-710
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an electronic calculator, as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D276625	Kikuchi et al.	Dec 1984
D279110	Takahashi	Jun 1985
D284288	Satake	Jun 1986
D291325	Yubisui et al.	Aug 1987
D303982	Matsuoka et al.	Oct 1989
D308391	Sakaguchi et al.	Jun 1990