Audio amplifier

- Yamaha Corporation
Description

FIG. 1 is a top, front and right side perspective view of an audio amplifier showing my new design;

FIG. 2 is a top, front and right perspective view thereof, shown with the cassette cover in the closed position;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a left side elevational view thereof;

FIG. 7 is a rear elevational view thereof; and

FIG. 8 is a bottom plan view thereof.

Referenced Cited
U.S. Patent Documents
D253823 January 1, 1980 Rams
D275668 September 25, 1984 Erber et al.
D293322 December 22, 1987 Hoshino et al.
D314198 January 29, 1991 Ito et al.
Patent History
Patent number: D321689
Type: Grant
Filed: Jun 1, 1989
Date of Patent: Nov 19, 1991
Assignee: Yamaha Corporation (Shizuoka)
Inventor: Yoshiro Yamakawa (Tokyo)
Primary Examiner: Theodore M. Shooman
Law Firm: Weingarten, Schurgin, Gagnebin & Hayes
Application Number: 7/360,707
Classifications