Electronic calculator

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Information

Patent Grant
D317618

References
Source

Patent Number
D317,618
Date Filed
Monday, October 16, 1989
35 years ago
Date Issued
Tuesday, June 18, 1991
33 years ago

Inventors
- Masaji Sawada
- Kouji Nishida
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
- 200 5 A
- 235 6 R
- 364 706-710
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

Priority Claims (1)

Number	Date	Country	Kind
1-14485	Apr 1989	JPX

US Referenced Citations (11)

Number	Name	Date	Kind
D269624	Sakata	Jul 1983
D273304	Sakata	Apr 1984
D273393	Sakamoto	Apr 1984
D273593	Sakamoto	Apr 1984
D275769	Yamada	Oct 1984
D276242	Sakamoto	Nov 1984
D287139	Hayashi	Dec 1986
D297947	Yubisui et al.	Oct 1988
D303681	Sakaguchi et al.	Sep 1989
D307032	Sawada et al.	Apr 1990
D309747	Sakaguchi et al.	Aug 1990

Non-Patent Literature Citations (3)

Entry
Best Catalogue; 1983/84; p. 328, #1--TI Professional Business Analyst Calc. Model BA-55.
Radio Shack Catalogue; p. 161, #EC-4020.
HFD--Retailing Home Furnishings, Jun. 30, 1980, p. 81; Toshiba LC-840WA.