Patent
   D431644
Priority
May 03 2000
Filed
May 03 2000
Issued
Oct 03 2000
Expiry
Oct 03 2014
Assg.orig
Entity
unknown
5
2
n/a
The ornamental design for an air purifier, as shown and described.

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The indicia and the electrical cord are not being claimed.

Huang, Ping

Patent Priority Assignee Title
D563538, Aug 24 2006 Techtronic Floor Care Technology Limited Air purifier
D668750, Sep 21 2009 Dow Global Technologies LLC Air decontamination machine with removable control panel
D710983, Oct 04 2012 INTERSURGICAL AG Cartridge of dehumidification assembly
D728088, Oct 04 2012 INTERSURGICAL AG Base of dehumidification assembly
D912236, Aug 19 2019 3M Innovative Properties Company Air purifier
Patent Priority Assignee Title
D395704, Jan 08 1997 JPMORGAN CHASE BANY Air purifier
D399943, Jan 08 1998 Electronic air purifier
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Apr 27 2000HUANG, PINGHUNG HSING ELECTRIC CO , LTD ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0107600385 pdf
May 03 2000Hung Hsing Electric Co., Ltd.(assignment on the face of the patent)
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