Patent
   D938013
Priority
May 08 2019
Filed
May 08 2019
Issued
Dec 07 2021
Expiry
Dec 07 2036
Assg.orig
Entity
unknown
1
4
n/a
I claim the ornamental design for a sound attenuation device, as shown and described.

FIG. 1 is a perspective view of the sound attenuation device of the claimed device;

FIG. 2 is a left side view of the sound attenuation device of FIG. 1;

FIG. 3 is a right side view of the sound attenuation device of FIG. 1;

FIG. 4 is a back side view of the sound attenuation device of FIG. 1;

FIG. 5 is a front side view of the sound attenuation device of FIG. 1;

FIG. 6 is a bottom view of the sound attenuation device of FIG. 1; and,

FIG. 7 is a top view of the sound attenuation device of FIG. 1.

The broken lines in FIG. 1 are included for the purpose of illustrating an element of the article excluded from the claim, with the lines themselves and the area within forming no part of the claimed design.

Clark, John

Patent Priority Assignee Title
D974542, Aug 19 2021 Shenzhen Apwill Electronic Co., Ltd. Earplug
Patent Priority Assignee Title
20080187159,
20210045926,
D810272, Mar 04 2016 SACK IP LAW P C Ear plug having piston-like exterior
D887543, Sep 29 2018 JIANGYIN SIAN PLASTIC PROTECH CO., LTD Ear plug
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