Electronic calculator

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Information

Patent Grant
D317777

References
Source

Patent Number
D317,777
Date Filed
Tuesday, June 14, 1988
38 years ago
Date Issued
Tuesday, June 25, 1991
35 years ago

Inventors
- Hiroshi Sakaguchi
- Keiichi Koyama
Original Assignees
- Sharp Corporation
Examiners
- Holtje; Nelson C.
- Veynar; Caron D.
Agents
- Flehr, Hohbach, Test, Albritton & Herbert

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 6
- D18 7
- D14 100
- D14 106
- D14 107
- 364 706
- 364 710
- 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
62-51309	Dec 1987	JPX

US Referenced Citations (11)

Number	Name	Date	Kind
D263602	Yoshioka et al.	Mar 1982
D269624	Sakata	Jul 1983
D270646	Sakata	Sep 1983
D273393	Sakamoto	Apr 1984
D273502	Sakata	Apr 1984
D273593	Sakamoto	Apr 1984
D275769	Yamada	Oct 1984
D276242	Sakamoto	Nov 1984
D284200	Hayashi	Jun 1986
D287139	Hayashi	Dec 1986
4507745	Agrawal	Mar 1985

Non-Patent Literature Citations (1)

Entry
Design News, 7/7/86; p. 105; Casio fx-7000G Scientific Calculator.