Microphone

- The Astatic Corporation
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Description

FIG. 1 is a front elevation of a microphone, showing my new design;

FIG. 2 is an elevation rotated forty-five degrees from FIG. 1; and

FIG. 3 is a top plan view thereof.

Referenced Cited
U.S. Patent Documents
D213567 March 1969 Kahn
D230990 March 1974 Kollesberger, Jr.
D247707 April 11, 1978 Armstrong
3642558 February 1972 Gorike
Other references
  • Radio Shack, 1977 Electronics Cat., .COPYRGT.1976, p. 33, Electret Condenser Microphone.
Patent History
Patent number: D253468
Type: Grant
Filed: Jun 15, 1978
Date of Patent: Nov 20, 1979
Assignee: The Astatic Corporation (Conneaut, OH)
Inventor: Donald W. Peterson (Conneaut, OH)
Primary Examiner: Bernard Ansher
Attorney: Michael Williams
Application Number: 5/915,948
Classifications
Current U.S. Class: D14/12
International Classification: D1401;