Patent
   D933038
Priority
Oct 30 2018
Filed
Apr 21 2019
Issued
Oct 12 2021
Expiry
Oct 12 2036
Assg.orig
Entity
unknown
2
11
n/a
The ornamental design for a sound amplifier, as shown and described.

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.

Huang, Yongyan

Patent Priority Assignee Title
D952603, Sep 29 2020 Loudspeaker
ER8260,
Patent Priority Assignee Title
D499714, Mar 08 2004 Eton Corporation Light and FM/AM radio combination
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D719130, May 23 2012 C. Crane Company, Inc. Radio
D764439, Feb 02 2015 LG Electronics Inc. Speaker with supplementary battery
D817306, Aug 21 2015 Samsung Electronics Co., Ltd. Portable speaker
D830343, Apr 06 2017 Bose Corporation Portable loudspeaker
D893445, Feb 07 2020 Live Sports Radio LLC Radio receiver
D894161, May 11 2020 SHENZHEN ZHENGGUANG IMAGING EQUIPMENT CO , LTD Wireless microphone
D923603, Nov 12 2019 Loudspeaker
D924834, Sep 05 2019 Harman International Industries, Incorporated Loudspeaker
D926728, Sep 17 2019 Portable wireless speaker
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Apr 18 2019HUANG, YONGYANSHANGHAI NORWII TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0489440296 pdf
Apr 21 2019SHANGHAI NORWll TECHNOLOGY CO., LTD.(assignment on the face of the patent)
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