Calculator keyboard module

Follow

Information

Patent Grant
D266005

References
Source

Patent Number
D266,005
Date Filed
Friday, May 18, 1979
45 years ago
Date Issued
Tuesday, August 31, 1982
42 years ago

Inventors
- Myron Beitler
- John N. Johnston
Original Assignees
- LITTON BUSINESS SYSTEMS, INC
Examiners
- Zarfas; Louis S.
Agents
- Wallach; Michael H.
- Rotella; Robert F.

US Classifications
- D18 - Printing and office machinery
Field of Search
- US
- D18 2
- D18 6-8
- D18 12
- D14 45
- 200 5 R
- 364 706-710
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a calculator keyboard module, as shown.

US Referenced Citations (4)

Number	Name	Date	Kind
D227671	Yamamoto	Jul 1973
3617661	Nome et al.	Nov 1971
3721778	Seeger, Jr. et al.	Mar 1973
3736397	Pedersen	May 1973