Electronic calculator

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Information

Patent Grant
D309910

References
Source

Patent Number
D309,910
Date Filed
Monday, April 6, 1987
37 years ago
Date Issued
Tuesday, August 14, 1990
34 years ago

Inventors
- Hiroshi Sakaguchi
- Toshiya Takahashi
Original Assignees
- Sharp Corporation
Examiners
- Holtje; Nelson C.
Agents
- Flehr, Hohbach, Test, Albritton & Herbert

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 1
- D18 2
- D18 6
- D18 7
- D18 11
- D18 12
- 200 54
- 340 365
- 340 700
- 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
61-39833	Oct 1986	JPX

US Referenced Citations (5)

Number	Name	Date	Kind
D256694	Kitai	Sep 1980
D269355	Yamagami	Jun 1983
D284200	Hayashi	Jun 1986
D293920	Yubisui et al.	Jan 1988
D297947	Yubisui et al.	Oct 1988

Non-Patent Literature Citations (2)

Entry
Best, 1985/86; p. 307; #15 Casio; upper left corner.
W. Bell, 1986, p. 289; #16 Texas Instruments; lower left corner.