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						 Patent  
						   D943726  
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						 Priority  
						Jan 07 2020 
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						 Filed 
						May 26 2020  
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						 Issued 
						Feb 15 2022 
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						 Expiry 
						Feb 15 2037 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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			  The ornamental design for an air purifier, as shown and described. 
			  
			  
			  
			  
			 
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1. Air purifier
1.1 is a front view of an air purifier showing the new design;
1.2 is a rear view thereof;
1.3 is a left view thereof;
1.4 is a right view thereof;
1.5 is a top view thereof;
1.6 is a bottom view thereof;
1.7 is a back, left perspective view thereof; and
1.8 is a front, left perspective view thereof.
The broken lines in the drawings illustrate portions of the air purifier and form no part of the claimed design.
	
	Li, Ningning, Zhang, Qian
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D948018,  | 
	 Dec 02 2020 | 
	 Shenzhen Airtok Technology Co., Ltd. | 
	 Air purifier | 
	 
    
	 | D963829,  | 
	 Oct 14 2020 | 
	 PUZHEN LIFE CO., LTD | 
	 Aroma diffuser | 
	 
    
	 | D980397,  | 
	 Jul 20 2020 | 
	 Daikin Industries, Ltd. | 
	 Air purifier | 
	 
    
	 | D987796,  | 
	 Apr 02 2020 | 
	 Samsung Electronics Co., Ltd. | 
	 Cover for air purifier | 
	 
    
	 | D989931,  | 
	 Mar 09 2021 | 
	 FOSHAN SAMYOO ELECTRONIC CO., LTD. | 
	 Air purifier | 
	 
    
	 | ER1543,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER3452,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER4121,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER6354,  | 
	  | 
	  | 
	  | 
	 
    
	 | ER7984,  | 
	  | 
	  | 
	  | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | CN3045426845,  | 
	  | 
	  | 
	  | 
	 
    
	 | D755942,  | 
	 Mar 31 2014 | 
	 VERSUNI HOLDING B V  | 
	 Air purifier | 
	 
    
	 | D798430,  | 
	 Feb 28 2014 | 
	 BLUEAIR AB, | 
	 Air filter | 
	 
    
	 | D799016,  | 
	 Sep 08 2015 | 
	 Xiaomi, Inc.; Beijing Smartmi Technology Co. Ltd. | 
	 Air purifier | 
	 
    
	 | D837354,  | 
	 Oct 08 2016 | 
	 BEIJING XIAOMI MOBILE SOFTWARE CO , LTD  | 
	 Air purifier | 
	 
    
	 | D852344,  | 
	 Sep 04 2017 | 
	 VERSUNI HOLDING B V  | 
	 Air purifier | 
	 
    
	 | D862673,  | 
	 Jun 14 2018 | 
	 3M Innovative Properties Company | 
	 Air purifier | 
	 
    
	 | D865148,  | 
	 Nov 02 2016 | 
	 WINIX INC. | 
	 Air cleaner | 
	 
    
	 | D878530,  | 
	 Apr 13 2018 | 
	 3M Innovative Properties Company | 
	 Air purifier | 
	 
    
	 | D888930,  | 
	 Jul 18 2018 | 
	 BEIJING XIAOMI MOBILE SOFTWARE CO , LTD  | 
	 Fresh air ventilator | 
	 
    
	 | D898889,  | 
	 Jan 29 2019 | 
	 QIERLING (BEIJING) HEALTH TECHNOLOGY CO., LTD. | 
	 Air purifier | 
	 
    
	 | D913466,  | 
	 Aug 05 2019 | 
	  | 
	 Mobile air conditioner | 
	 
    
	 | D915351,  | 
	 Apr 23 2019 | 
	 BEIJING XIAOMI MOBILE SOFTWARE CO , LTD  | 
	 Speaker | 
	 
    
	 | D917683,  | 
	 Dec 02 2020 | 
	 SHENZHEN YONGJING INDUSTRIAL CO., LTD.; SHENZHEN YONGJING INDUSTRIAL CO , LTD  | 
	 Dehumidifier | 
	 
    
	 | D921869,  | 
	 Jan 12 2021 | 
	  | 
	 Air purifier | 
	 
    
	 | D924385,  | 
	 Feb 15 2019 | 
	 GREE ELECTRIC APPLIANCES, INC  OF ZHUHAI | 
	 Air purifier | 
	 
    
	 | JP1470956,  | 
	  | 
	  | 
	  | 
	 
    
	 | JP1563710,  | 
	  | 
	  | 
	  | 
	 
    
	 | JP1640826,  | 
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	  | 
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