Electronic calculator

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Information

Patent Grant
D303681

References
Source

Patent Number
D303,681
Date Filed
Thursday, February 5, 1987
37 years ago
Date Issued
Tuesday, September 26, 1989
35 years ago

Inventors
- Hiroshi Sakaguchi
- Toshiya Takahashi
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 2
- D18 6
- D18 7
- D18 11
- D18 12
- D10 2
- D10 15
- D10 30
- D14 100
- D14 106
- D14 107
- 200 5 A
- 235 61 R
- 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
61-31220	Aug 1986	JPX

US Referenced Citations (3)

Number	Name	Date	Kind
D245108	Pemberton	Jul 1977
D273201	Sakata	Mar 1984
D289903	Kikuchi	May 1987

Non-Patent Literature Citations (2)

Entry
W. Bell, 1980, p. 240, Letter "O".
W. Bell, 1986, p. 287, #3.