Combined microphone and loudspeaker

Follow

Information

Patent Grant
D275096

References
Source

Patent Number
D275,096
Date Filed
Wednesday, March 17, 1982
42 years ago
Date Issued
Tuesday, August 14, 1984
39 years ago

Inventors
Original Assignees
- AT&T Inc
Examiners
- Corrigan; Jane E.
Agents
- Williamson; S. R.

US Classifications
- D14 - Recording, communication, or information retrieval equipment
Field of Search
- US
- D14 12
- D14 13
- D14 30
- D14 32-34
- D14 37
- D14 39
- 179 121 D
- 179 147
- 179 148 R
- 381 83
- 381 91
- 381 93
- Term of Grant
  14Years

Information

Abstract

Description

Claims

The ornamental design for a combined microphone and loudspeaker, substantially as shown and described.

US Referenced Citations (3)

Number	Name	Date	Kind
D76622	Lum	Oct 1928
D210667	Villa	Apr 1968
2110763	Gerlach	Mar 1938