Audio amplifier

- D&B AUDIOTECHNIK GMBH
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Description

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

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

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

FIG. 5 is a top plan view thereof, the bottom plan view being identical to the top plan view; and,

FIG. 6 is a perspective view of the rear, top and right side thereof.

The broken line disclosure in the views forms no part of the claimed design.

Claims

The ornamental design for an audio amplifier, as shown and described.

Referenced Cited
U.S. Patent Documents
D332255 January 5, 1993 Tanaka
D355197 February 7, 1995 Farinelli
D441375 May 1, 2001 Hisatsune
D525969 August 1, 2006 Sugihara
D542241 May 8, 2007 Ryu
D553616 October 23, 2007 Tosh
D564510 March 18, 2008 Cox
D565542 April 1, 2008 Han
D710821 August 12, 2014 Marklund
D761247 July 12, 2016 Otsuka
D766872 September 20, 2016 Jeon
D826337 August 21, 2018 Christie
D839355 January 29, 2019 Christie
Patent History
Patent number: D857646
Type: Grant
Filed: Aug 7, 2017
Date of Patent: Aug 27, 2019
Assignee: D&B AUDIOTECHNIK GMBH
Inventors: Michael Eckstein (Backnang), Fritz Wurster (Backnang)
Primary Examiner: R. Johnson
Application Number: 29/613,007