Portable calculating machine

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Information

Patent Grant
D248595

References
Source

Patent Number
D248,595
Date Filed
Monday, March 21, 1977
47 years ago
Date Issued
Tuesday, July 18, 1978
46 years ago

Inventors
- Myron Beitler
- Stuart D. Leer
Original Assignees
- LITTON BUSINESS SYSTEMS, INC
Examiners
- Lucas; Susan J.
Agents
- Friedman; Norman

US Classifications
- D64
Field of Search
- US
- D64 11 R
- D64 11 B
- D64 11 C
- D14 40
- D14 42
- D14 43
- D14 45
- 235 1 D
- 235 145
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a portable calculating machine, as shown and described.

US Referenced Citations (2)

Number	Name	Date	Kind
D226858	Liljenwall	May 1973
3887791	Kitchens	Jun 1975

Non-Patent Literature Citations (1)

Entry
Merchandising Week, Jan. 6, 1975, p. 40, Calculator Item C.