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					| Patent    D583450 |  
					| Priority Nov 23 2007 |  
					| Filed Feb 21 2008 |  
					| Issued Dec 23 2008 |  
					| Expiry Dec 23 2022 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 36 |  
					 | 14 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for an air purifier, as shown and described. | 
 
	
FIG. 1 is the perspective view of the air purifier;
FIG. 2 is the front view thereof;
FIG. 3 is the rear view thereof;
FIG. 4 is the left side view thereof;
FIG. 5 is the right side view thereof;
FIG. 6 is the top plan view thereof; and,
FIG. 7 is the bottom view thereof.
	
	Choi, Hun Jung
	
	
	  
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