Patent
   D801505
Priority
Mar 24 2016
Filed
Mar 24 2016
Issued
Oct 31 2017
Expiry
Oct 31 2032
Assg.orig
Entity
unknown
25
15
n/a
The ornamental design for an air purifier, as shown and described.

FIG. 1 is a perspective view showing a new design for an air purifier;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The portions of the air purifier in FIGS. 1-7 shown in broken lines are included to show features that form no part of the claimed design.

Yin, Qi, Tang, Xinchun, Shen, Ya Feng, Lv, Pei

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Executed onAssignorAssigneeConveyanceFrameReelDoc
Mar 24 20163M Innovative Properties Company(assignment on the face of the patent)
Apr 06 2016YIN, QI3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0391370668 pdf
Apr 06 2016TANG, XINCHUN3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0391370668 pdf
Apr 06 2016LV, PEI3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0391370668 pdf
Jul 12 2016SHEN, YA FENG3M Innovative Properties CompanyASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0391370668 pdf
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