Telephone handset amplifier

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Information

Patent Grant
D266085

References
Source

Patent Number
D266,085
Date Filed
Monday, April 30, 1979
45 years ago
Date Issued
Tuesday, September 7, 1982
41 years ago

Inventors
- Leslie Perhacs Jr.
Original Assignees
- Proctor & Associates Company
Examiners
- Tung; T.
Agents
- Christensen, O'Connor, Johnson & Kindness

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 57
- 179 1 A
- 179 81 B
- 179 178
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a telephone handset amplifier, as shown.

US Referenced Citations (9)

Number	Name	Date	Kind
D190585	Diller	Jun 1961
D211251	Ota	Jun 1968
D225750	Marsalka et al.	Jan 1973
2214992	Chevasslis	Sep 1940
3254160	Day et al.	May 1966
3277243	Fairbairn	Oct 1966
4151376	Walker	Apr 1979
4160122	Jacobson	Jul 1979
4191861	Walker	Mar 1980