Telephone amplifier

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Information

Patent Grant
D269267

References
Source

Patent Number
D269,267
Date Filed
Tuesday, September 14, 1982
42 years ago
Date Issued
Tuesday, June 7, 1983
41 years ago

Inventors
- Dwight C. Brown
Examiners
- Ansher; Bernard

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

Information

Abstract

Description

Claims

The ornamental design for a telephone amplifier, as shown and described.

US Referenced Citations (5)

Number	Name	Date	Kind
D201021	Prager	May 1965
D230487	Dawson et al.	Feb 1974
3301955	Clements, Jr.	Jan 1967
3619507	Metz	Nov 1971
4151376	Walker, Jr.	Apr 1979

Non-Patent Literature Citations (1)

Entry
Lafayette Cat. 750, 1975, p. 122, Item No. 7, Snap-On Telephone Amp & Hearing Aid.