Sound amplifier
Latest SHANGHAI NORWII TECHNOLOGY CO., LTD. Patents:
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
D587244 | February 24, 2009 | Lim |
D798838 | October 3, 2017 | DiTullo |
D817306 | May 8, 2018 | Jang |
D817925 | May 15, 2018 | Jang |
D841622 | February 26, 2019 | Cheney |
D889430 | July 7, 2020 | Teruzzi |
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: D931827
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: 29/690,713
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: 29/690,713