Headphone amplifier

- AUSTRIAN AUDIO GMBH
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Description

1. Headphone amplifier

FIG. 1.1 is a front, top, and left-side perspective view showing the new design; FIG. 1.2 is a front elevation view thereof; FIG. 1.3 is a rear elevation view thereof; FIG. 1.4 is a left side elevation view thereof; FIG. 1.5 is a right side elevation view thereof; FIG. 1.6 is a top plan view thereof; FIG. 1.7 is a bottom plan view thereof; and FIG. 1.8 is a rear, bottom, and right-side perspective view thereof.

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

Claims

The ornamental design for a headphone amplifier, as shown and described.

Referenced Cited
U.S. Patent Documents
D404736 January 26, 1999 Alvarez
D412705 August 10, 1999 Laiacona
D441744 May 8, 2001 Miyazaki
D446499 August 14, 2001 Andre
D520502 May 9, 2006 Xu
D542784 May 15, 2007 Franck
D550196 September 4, 2007 Griffin
D656124 March 20, 2012 Smith
D732023 June 16, 2015 Asao
D746254 December 29, 2015 Ito
D760684 July 5, 2016 Green
D762614 August 2, 2016 Matsui
D833411 November 13, 2018 Castle
Other references
  • Amazon-Lvy Store; “Lvy Headphone Amplifier . . . ”; [online] ‘https://www.amazon.com/dp/B07wdxdnm1’; Dated Aug. 16, 2019; Accessed Jun. 13, 2023; 4pgs. (Year: 2019).
Patent History
Patent number: D1020681
Type: Grant
Filed: Nov 2, 2022
Date of Patent: Apr 2, 2024
Assignee: AUSTRIAN AUDIO GMBH (Vienna)
Inventors: Paul Weinreich (Vienna), Philipp Schuster (Vienna), Alexander Chatt (Gramatneusiedl)
Primary Examiner: Keli L Hill
Application Number: 35/516,052