Patent
   D815150
Priority
Oct 02 2017
Filed
Nov 30 2017
Issued
Apr 10 2018
Expiry
Apr 10 2033
Assg.orig
Entity
unknown
17
15
n/a
The ornamental design for a white noise sound machine, as shown and described.

FIG. 1 is a perspective view of a white noise sound machine showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines illustrate portions of the white noise sound machine and form no part of the claimed design.

Hu, Zaihui

Patent Priority Assignee Title
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D937436, Mar 23 2021 SHENZHEN MEIDA HONGDA TECHNOLOGY CO., LTD. White noise machine
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D987682, Jan 04 2021 LG Electronics Inc. Audio player
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Nov 22 2017HU, ZAIHUIMPOW TECHNOLOGY CO ,LIMITEDASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0442690164 pdf
Nov 30 2017MPOW TECHNOLOGY CO., LIMITED(assignment on the face of the patent)
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