Audio amplifier
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Description
The broken lines shown in the figures depict portions of the audio amplifier that form no part of the claimed design.
Claims
The ornamental design for an audio amplifier, as shown and described.
Referenced Cited
U.S. Patent Documents
| D247495 | March 14, 1978 | Hoshino |
| D249946 | October 17, 1978 | Ohtomo |
| D328073 | July 21, 1992 | Yamakawa |
| D460063 | July 9, 2002 | Oikawa |
| D502696 | March 8, 2005 | Ishibashi |
| D537067 | February 20, 2007 | Oikawa |
| D560689 | January 29, 2008 | Cho |
| D569840 | May 27, 2008 | Tejima |
| D673144 | December 25, 2012 | Onoue |
| D699212 | February 11, 2014 | Tanaka |
| D810044 | February 13, 2018 | Ohmachi |
| D903625 | December 1, 2020 | Okamura |
| D956718 | July 5, 2022 | Kudo |
Patent History
Patent number: D1085042
Type: Grant
Filed: Dec 27, 2022
Date of Patent: Jul 22, 2025
Assignee: YAMAHA CORPORATION (Hamamatsu)
Inventor: Marco Pereira (Hamamatsu)
Primary Examiner: Keli L Hill
Application Number: 29/881,050
Type: Grant
Filed: Dec 27, 2022
Date of Patent: Jul 22, 2025
Assignee: YAMAHA CORPORATION (Hamamatsu)
Inventor: Marco Pereira (Hamamatsu)
Primary Examiner: Keli L Hill
Application Number: 29/881,050
Classifications