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						 Patent  
						   D896944  
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						 Priority  
						May 14 2019 
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						 Filed 
						May 14 2019  
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						 Issued 
						Sep 22 2020 
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						 Expiry 
						Sep 22 2035 
					   
					   						
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			  The ornamental design for an air purifier filter housing, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a three dimensional elevational views of an air purifier filter housing in accordance with our new design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left elevational view thereof;
FIG. 5 is a right elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines depict portions of the air purifier filter housing that form no part of the claimed design.
	
	Hwang, Gwo-Tzong
	
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 20090217926,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20180236275,  | 
	  | 
	  | 
	  | 
	 
    
	 | D380536,  | 
	 Sep 11 1995 | 
	 U.S. Philips Corporation | 
	 Filter for an air cleaner | 
	 
    
	 | D437027,  | 
	 Dec 06 1999 | 
	 CLOROX COMPANY, THE | 
	 Water filter reservoir | 
	 
    
	 | D762832,  | 
	 Jul 25 2014 | 
	 3M Innovative Properties Company | 
	 Filter frame | 
	 
    
	 | D763425,  | 
	 Dec 09 2014 | 
	 SEOUL VIOSYS CO., LTD.; SEOUL VIOSYS CO , LTD  | 
	 Photocatalyst filter module for refrigerators | 
	 
    
	 | D831812,  | 
	 Apr 07 2017 | 
	 CHAMPION LABORATORIES, INC  | 
	 Filter | 
	 
	
	
	
	  
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