Headphone amplifier
Latest AUSTRIAN AUDIO GMBH Patents:
Description
1. Headphone amplifier
FIG.
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
Other references
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 |
- 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
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
Classifications
Current U.S. Class:
Radio Receiver, Tuner Or Amplifier, Or Housing Therefor (D14/188)