Case for hand-held electronic calculator

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Information

Patent Grant
D256370

References
Source

Patent Number
D256,370
Date Filed
Wednesday, July 12, 1978
46 years ago
Date Issued
Tuesday, August 12, 1980
44 years ago

Inventors
- Shinpei Ichikawa
- Robert Welch
Original Assignees
- Texas Instruments Incorporated
Examiners
- Zarfas; Louis S.
Agents
- Grossman; Rene E.

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 2
- D18 6-8
- 364 706-710
- 200 5 A
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a case for hand-held electronic calculator, substantially as shown and described.

US Referenced Citations (6)

Number	Name	Date	Kind
D230404	Jimbo	Feb 1974
D241381	Garnier	Sep 1976
D243535	Ikeda	Mar 1977
D247391	Hazama et al.	Feb 1978
D249093	Hazama et al.	Aug 1978
4158230	Washizuka et al.	Jun 1979