Patent
   D852344
Priority
Sep 04 2017
Filed
Sep 04 2017
Issued
Jun 25 2019
Expiry
Jun 25 2034
Assg.orig
Entity
unknown
71
45
n/a
The ornamental design for an air purifier, as shown and described.

1. Air purifier

FIG. 1.1 is a perspective view showing my design;

FIG. 1.2 is a front elevational view thereof;

FIG. 1.3 is a rear elevational view thereof;

FIG. 1.4 is a right side elevational view thereof;

FIG. 1.5 is a left side elevational view thereof;

FIG. 1.6 is a top plan view thereof; and,

FIG. 1.7 is a bottom plan view thereof.

Hua, Hao

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Sep 04 2017Koninklijke Philips N.V.(assignment on the face of the patent)
Apr 17 2019HUA, HAOKONINKLIJKE PHILIPS N V ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0489690020 pdf
Oct 18 2023KONINKLIJKE PHILIPS N V VERSUNI HOLDING B V NUNC PRO TUNC ASSIGNMENT SEE DOCUMENT FOR DETAILS 0654730917 pdf
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