Conference microphone

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Information

Patent Grant
D257346

References
Source

Patent Number
D257,346
Date Filed
Monday, May 22, 1978
46 years ago
Date Issued
Tuesday, October 14, 1980
44 years ago

Inventors
Original Assignees
- The Astatic Corporation
Examiners
- Ansher; Bernard
Agents
- Williams; Michael

US Classifications
- D14 - Recording, communication, or information retrieval equipment
- D23 - Environmental heating and cooling
Field of Search
- US
- D14 12
- D14 34
- D14 33
- 179 90
- 179 100 L
- 179 1 E
- D23 155
International Classifications
- Term of Grant
  14Years

Information

Abstract

Description

Claims

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

US Referenced Citations (5)

Number	Name	Date	Kind
D165854	McCarron	Feb 1952
D226487	Genaro et al.	Mar 1973
D238684	Walz	Feb 1976
D245511	Lewis	Aug 1977
3258541	Hopkins	Jun 1966