Electronic calculator

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Information

Patent Grant
D309749

References
Source

Patent Number
D309,749
Date Filed
Friday, October 16, 1987
38 years ago
Date Issued
Tuesday, August 7, 1990
36 years ago

Inventors
- Yukinori Ido
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 1
- D18 2
- D18 6
- D18 7
- D18 11
- D18 12
- D14 100
- D14 106
- D14 107
- 200 5 A
- 364 706-710
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

Priority Claims (1)

Number	Date	Country	Kind
62-19745	May 1987	JPX

US Referenced Citations (4)

Number	Name	Date	Kind
D243250	Hazama	Feb 1977
D279688	Kitai et al.	Jul 1985
D293688	Yubisui et al.	Jan 1988
D301895	Hayashi	Jun 1989

Non-Patent Literature Citations (2)

Entry
Radio Shack; p. 167; upper left corner, PC-6, Pocket Computer Examers Office.
The Sharper Image; Sep. 1985; p. 42, lower left corner; Data Bank by Casio.