Sound amplifier
Description
The interior structure behind the speaker grill forms no part of the claimed design and is not seeking to be protected.
All of the broken lines shown in the drawings represent unclaimed portions of the sound amplifier and form no part of the claimed design.
Claims
The ornamental design for a sound amplifier, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
D616464 | May 25, 2010 | Park |
D707198 | June 17, 2014 | Bouzid |
D792370 | July 18, 2017 | Iranyi |
D798838 | October 3, 2017 | DiTullo |
D817306 | May 8, 2018 | Jang |
D830343 | October 9, 2018 | Fustino |
D875076 | February 11, 2020 | Sakata |
D893445 | August 18, 2020 | Wall |
D894161 | August 25, 2020 | Ye |
D923603 | June 29, 2021 | Ming |
D924834 | July 13, 2021 | DeLuna |
D926728 | August 3, 2021 | He |
- Amazon.com; SHIDU; ‘SHIDU Personal Voice Amplifier . . . ’; [online] ‘https://www.amazon.com/dp/b07g5clcwc’; dated Jan. 7, 2017; accessed Oct. 19, 2020; 6pgs. (Year: 2017).
Patent History
Patent number: D931826
Type: Grant
Filed: May 9, 2019
Date of Patent: Sep 28, 2021
Assignee: SHANGHAI NORWII TECHNOLOGY CO., LTD. (Shanghai)
Inventor: Yongyan Huang (Shanghai)
Primary Examiner: Keli L Hill
Application Number: 29/690,712
Type: Grant
Filed: May 9, 2019
Date of Patent: Sep 28, 2021
Assignee: SHANGHAI NORWII TECHNOLOGY CO., LTD. (Shanghai)
Inventor: Yongyan Huang (Shanghai)
Primary Examiner: Keli L Hill
Application Number: 29/690,712