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The ornamental design for an air purifier, as shown and described.
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FIG. 1 is a front perspective view of an air purifier, showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a top view thereof; and,
FIG. 6 is a left side view thereof.
A right side view is a mirror image of the left side view shown in FIG. 6.
The bottom view is flat and non-ornamental, and thus not shown. It forms no part of the claimed design.
The switch on the top, the base and grills on the sides in broken lines are for illustrative purposes only and form no part of the claimed design.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 15 2004 | Sharper Image Corporation | (assignment on the face of the patent) | / | |||
Mar 15 2004 | CHRISTIANSON, TRISTAN M | Sharper Image Corporation | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 015104 | /0411 | |
Jan 23 2006 | Sharper Image Corporation | Sharper Image Corporation | CHANGE OF ADDRESS | 021617 | /0955 | |
May 29 2008 | Sharper Image Corporation | SHARPER IMAGE ACQUISITION LLC, A DELAWARE LIMITED LIABILITY COMPANY | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 021640 | /0059 |
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