Patent
   D931827
Priority
May 09 2019
Filed
May 09 2019
Issued
Sep 28 2021
Expiry
Sep 28 2036
Assg.orig
Entity
unknown
4
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
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D974933, Jul 30 2019 Multi-way PIR motion sensor alarm receiver
ER8260,
Patent Priority Assignee Title
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D893445, Feb 07 2020 Live Sports Radio LLC Radio receiver
D894161, May 11 2020 SHENZHEN ZHENGGUANG IMAGING EQUIPMENT CO , LTD Wireless microphone
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Apr 26 2019HUANG, YONGYANSHANGHAI NORWII TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0491340461 pdf
May 09 2019SHANGHAI NORWII TECHNOLOGY CO., LTD.(assignment on the face of the patent)
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