Patent
   D931826
Priority
May 09 2019
Filed
May 09 2019
Issued
Sep 28 2021
Expiry
Sep 28 2036
Assg.orig
Entity
unknown
6
12
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
D956025, Jul 16 2020 SHENZHEN JIAYZ PHOTO INDUSTRIAL ,LTD Wireless microphone
ER3457,
ER4233,
ER4459,
ER8155,
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
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 26 2019HUANG, YONGYANSHANGHAI NORWII TECHNOLOGY CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0491340448 pdf
May 09 2019SHANGHAI NORWII TECHNOLOGY CO., LTD.(assignment on the face of the patent)
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