Sound amplifier

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Description

FIG. 1 is a front view of a sound amplifier, showing our new design;

FIG. 2 is a rear view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a perspective view thereof; and,

FIG. 8 is another perspective view thereof.

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
D499714 December 14, 2004 Shomali
D707651 June 24, 2014 Tsai
D719130 December 9, 2014 Crane
D764439 August 23, 2016 Kim
D817306 May 8, 2018 Jang
D830343 October 9, 2018 Fustino
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
Other references
  • 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: D933038
Type: Grant
Filed: Apr 21, 2019
Date of Patent: Oct 12, 2021
Assignee: SHANGHAI NORWll TECHNOLOGY CO., LTD. (Shanghai)
Inventor: Yongyan Huang (Shanghai)
Primary Examiner: Keli L Hill
Application Number: 29/688,388