Electronic calculator

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Information

Patent Grant
D352730

References
Source

Patent Number
D352,730
Date Filed
Thursday, June 25, 1992
32 years ago
Date Issued
Tuesday, November 22, 1994
30 years ago

Inventors
- Osamu Tsuchida
- Yuichi Onumata
Original Assignees
- CASIO COMPUTER CO., LTD.
Examiners
- Douglas; Alan P.
- Veynar; Caron D.
Agents
- Frishauf, Holtz, Goodman & Woodward

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- 340 365
- 340 700
- 364 706-710
- D18 1
- D18 2
- D18 6
- D18 7
- D18 11
- D18 12
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for an electronic calculator, as shown.

US Referenced Citations (2)

Number	Name	Date	Kind
D280418	Hayashi et al.	Sep 1985
D285575	Satake	Sep 1986

Non-Patent Literature Citations (1)

Entry
Best Catalog; 1985/86; p. 305; #14 Casio Model DL-220 calculator.