Patent
   D577801
Priority
Aug 08 2006
Filed
Nov 07 2007
Issued
Sep 30 2008
Expiry
Sep 30 2022
Assg.orig
Entity
unknown
1
13
n/a
The ornamental design for an air purifier, as shown and described.

FIG. 1 is an isometric view of the air purifier of the present invention;

FIG. 2 is a front elevation view of the air purifier of FIG. 1;

FIG. 3 is a right side elevational view of the air purifier of FIG. 1, the left side being a mirror image thereof;

FIG. 4 is a top plan view of the air purifier of FIG. 1;

FIG. 5 is a rear elevational view of the air purifier of FIG. 1; and,

FIG. 6 is a bottom plan view of the air purifier of FIG. 1.

Van Dyk, Thomas, Schultz, Marissa A. K.

Patent Priority Assignee Title
D741475, Feb 27 2015 3M Innovative Properties Company Respirator mask having a communication grille
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 07 2007S.C. Johnson & Son, Inc.(assignment on the face of the patent)
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