Patent
   D987800
Priority
Feb 02 2021
Filed
Jun 12 2021
Issued
May 30 2023
Expiry
May 30 2038
Assg.orig
Entity
unknown
3
18
n/a
The ornamental design for an air purifier, as shown and described.

FIG. 1 is a front perspective view of an air purifier showing our new design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a left side elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is an enlarged view of portion 9 in FIG. 1.

The evenly spaced broken lines illustrate portions of the air purifier that form no part of the claimed design.

Chen, Yaogang, Zou, Zhixue, Zhang, Hongzeng

Patent Priority Assignee Title
ER4192,
ER7105,
ER9380,
Patent Priority Assignee Title
CN2022304045952,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jun 10 2021CHEN, YAOGANGHealthlead Corporation LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0565220979 pdf
Jun 10 2021ZOU, ZHIXUEHealthlead Corporation LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0565220979 pdf
Jun 10 2021ZHANG, HONGZENGHealthlead Corporation LimitedASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0565220979 pdf
Jun 12 2021Healthlead Corporation Limited(assignment on the face of the patent)
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