USD221864S - Microphone - Google Patents
Microphone Download PDFInfo
- Publication number
- USD221864S USD221864S US D221864 S USD221864 S US D221864S
- Authority
- US
- United States
- Prior art keywords
- microphone
- united states
- references
- haueter
- barsumian
- Prior art date
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- 241000364021 Tulsa Species 0.000 description 2
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Description
United States. Patent 0 Des. 221,864 Patented Sept. 14, 1971 MICROPHONE Robert E. Haueter, Minneapolis, Minn., assignor to The Telex Corporation, Tulsa, Okla.
Filed July 24, 1970, Ser. No. 24,105
Term of patent 14 years Int. Cl. D14-0] U.S. Cl. D2614 FIG. 5'
References Cited UNITED STATES PATENTS D. 168,665 l/1953 Whyte D2614 D. 185,964 8/1959 Barsumian D2614 D. 217,679 5/1970 Weingartner D2614 3,258,544 6/1966 De Haan 179179 OTHER REFERENCES Astatic Brochure, received Jan. 9, 1963, p. 1, Microphone, model 511.
BERNARD ANSHER, Primary Examiner
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