Audio signal amplifier

- Yamaha Corporation
Skip to: Description  ·  Claims  ·  References Cited  · Patent History  ·  Patent History
Description

FIG. 1 is a perspective view of the top, front and right side of an audio signal amplifier showing our 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;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

Claims

The ornamental design for an audio signal amplifier, as shown.

Referenced Cited
U.S. Patent Documents
D271694 December 6, 1983 Nomura et al.
4676619 June 30, 1987 Woolley
D319060 August 13, 1991 Rashak
D327682 July 7, 1992 Shimazu
5285500 February 8, 1994 Mantz
D409194 May 4, 1999 Ridinger
D422589 April 11, 2000 Jeon
D435034 December 12, 2000 Tejima
D451084 November 27, 2001 Su
D478564 August 19, 2003 Rizzi
Patent History
Patent number: D486816
Type: Grant
Filed: May 28, 2003
Date of Patent: Feb 17, 2004
Assignee: Yamaha Corporation (Shizuoka)
Inventors: Kazuhito Nakajima (Shizuoka), Takashi Akiyama (Shizuoka)
Primary Examiner: Prabhakar Deshmukh
Attorney, Agent or Law Firm: Sughrue Mion, PLLC
Application Number: 29/182,427
Classifications
Current U.S. Class: Radio Or Amplifier And Phonograph (D14/169); Radio Receiver, Tuner Or Amplifier, Or Housing Therefor (D14/188)
International Classification: 1403;