Sound amplifier

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Description

FIG. 1 is a front elevation view of a sound amplifier, embodying my new design.

FIG. 2 is a front perspective view thereof.

FIG. 3 is a rear elevation view of said sound amplifier with electrical input devices according to the new design; and,

FIG. 4 is a rear perspective view thereof.

The broken lines shown are included for the purpose of illustrating portions of the sound amplifer that form no part of the claim.

Claims

I claim the ornamental design for a sound amplifier, as shown and described.

Referenced Cited
U.S. Patent Documents
D147643 October 1947 Erskine
D153595 May 1949 Florian
D159458 July 1950 Zapolski
D194976 April 1963 Waytena
D244482 May 24, 1977 Ishida
D362856 October 3, 1995 Glomski et al.
D400533 November 3, 1998 Xie
D410465 June 1, 1999 Johnson et al.
D523840 June 27, 2006 Heath et al.
D721738 January 27, 2015 Hochman et al.
Patent History
Patent number: D738349
Type: Grant
Filed: May 10, 2012
Date of Patent: Sep 8, 2015
Inventor: Christoph Kemper (Recklinghausen)
Primary Examiner: Keli L Hill
Application Number: 29/420,601