Non-electronic sound amplifier

- Sony Corporation
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Description

FIG. 1 is a front and right side perspective view of a non-electronic sound amplifier showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right-side elevational view thereof, the left side being a mirror image;

FIG. 5 is a top plan view thereof; and

FIG. 6 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D244467 May 24, 1977 Aquilino
D269611 July 5, 1983 Saito
D278431 April 16, 1985 Beard
D286873 November 25, 1986 Ikeda
2537201 January 1951 Amfitheatrof
4574912 March 11, 1986 Fuss et al.
Patent History
Patent number: D292916
Type: Grant
Filed: Feb 12, 1985
Date of Patent: Nov 24, 1987
Assignee: Sony Corporation (Tokyo)
Inventor: Tameaki Ikeda (Tokyo)
Primary Examiner: Bernard Ansher
Assistant Examiner: Theodore M. Shooman
Attorneys: Lewis H. Eslinger, Alvin Sinderbrand
Application Number: 6/700,914
Classifications
Current U.S. Class: D14/36; Ear (181/129)