Sound amplifier

- Yamaha Corporation
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Description

FIG. 1 is a front view of a sound amplifier;

FIG. 2 is a rear view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a left-side view thereof;

FIG. 5 is a right-side view thereof; and,

FIG. 6 is a bottom view thereof.

Claims

The ornamental design for a sound amplifier, as shown.

Referenced Cited
U.S. Patent Documents
D293322 December 22, 1987 Hoshino et al.
D349719 August 16, 1994 Ohta
D415493 October 19, 1999 Shiebe
D438192 February 27, 2001 Asa
Patent History
Patent number: D472229
Type: Grant
Filed: Jan 31, 2001
Date of Patent: Mar 25, 2003
Assignee: Yamaha Corporation (Hamamatsu)
Inventor: Eizo Amiya (Shizuoka-ken)
Primary Examiner: Nanda Bondade
Attorney, Agent or Law Firm: Weingarten, Schurgin, Gagnebin & Lebovici LLP
Application Number: 29/136,481
Classifications
Current U.S. Class: Radio Receiver, Tuner Or Amplifier, Or Housing Therefor (D14/188)
International Classification: 1403;