Electronic calculator

Follow

Information

Patent Grant
D274439

References
Source

Patent Number
D274,439
Date Filed
Wednesday, March 24, 1982
43 years ago
Date Issued
Tuesday, June 26, 1984
40 years ago

Inventors
- Masafumi Yamagami
- Keiji Sakata
Original Assignees
- Sharp Corporation
Examiners
- Zarfas; Louis S.
Agents
- Flehr, Hohbach, Test, Albritton & Herbert

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 2
- D18 6-8
- D10 2
- D10 461
- D10 15
- D21 13
- 200 5 A
- 364 706-710
- D14 100
- D14 115
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (3)

Number	Name	Date	Kind
D215004	Oota	Aug 1969
D263966	Kobayashi	Apr 1982
3983380	Sharif et al.	Sep 1976