Telephone handset amplifier

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Description

FIG. 1 is a front perspective view of a telephone handset amplifier showing my new design;

FIG. 2 is a left side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D190585 June 1961 Diller
D211251 June 1968 Ota
D225750 January 1973 Marsalka et al.
2214992 September 1940 Chevasslis
3254160 May 1966 Day et al.
3277243 October 1966 Fairbairn
4151376 April 24, 1979 Walker
4160122 July 3, 1979 Jacobson
4191861 March 4, 1980 Walker
Patent History
Patent number: D266085
Type: Grant
Filed: Apr 30, 1979
Date of Patent: Sep 7, 1982
Assignee: Proctor & Associates Company (Redmond, WA)
Inventor: Leslie Perhacs, Jr. (Port Ludlow, WA)
Primary Examiner: T. Tung
Law Firm: Christensen, O'Connor, Johnson & Kindness
Application Number: 6/34,257
Classifications
Current U.S. Class: D14/57
International Classification: D1403;