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						 Patent  
						   D555837  
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						 Priority  
						Sep 20 2006 
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						 Filed 
						Sep 20 2006  
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						 Issued 
						Nov 20 2007 
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						 Expiry 
						Nov 20 2021 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    20 
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					    10 
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						  n/a 
					   
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			  The ornamental design for a mask, as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is a perspective view of a mask showing my design;
FIG. 2 is a front elevational view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
	
	Chen, Chun-Nan
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D570551,  | 
	 Mar 29 2007 | 
	 KORE OUTDOOR  US , INC  | 
	 Face mask with extending toothlike blocks | 
	 
    
	 | D570552,  | 
	 Mar 29 2007 | 
	 KORE OUTDOOR  US , INC  | 
	 Facemask insert with inward extending canines | 
	 
    
	 | D571050,  | 
	 Mar 29 2007 | 
	 KORE OUTDOOR  US , INC  | 
	 Facemask with side strips | 
	 
    
	 | D586050,  | 
	 Nov 20 2007 | 
	 BOR JYE ENTERPRISE CO , LTD  | 
	 Mask | 
	 
    
	 | D592359,  | 
	 Jan 18 2008 | 
	 EYE TACTICAL INC  | 
	 Protective face mask | 
	 
    
	 | D601308,  | 
	 Feb 20 2008 | 
	 KORE OUTDOOR  US , INC  | 
	 Mandible mask | 
	 
    
	 | D630383,  | 
	 Feb 20 2008 | 
	 HSBC BANK CANADA | 
	 Vented side slot face mask | 
	 
    
	 | D641934,  | 
	 Jan 12 2010 | 
	 SLY, LLC | 
	 Protective face mask with goggles and headstraps | 
	 
    
	 | D654633,  | 
	 Apr 15 2010 | 
	 SLY, LLC | 
	 Protective face mask | 
	 
    
	 | D703388,  | 
	 Feb 10 2006 | 
	 KORE OUTDOOR  US , INC  | 
	 Protective mask | 
	 
    
	 | D706489,  | 
	 Jan 14 2013 | 
	 PDT Tech, LLC | 
	 Face guard | 
	 
    
	 | D746437,  | 
	 May 22 2014 | 
	 3M Innovative Properties Company | 
	 Respirator mask having a communication grille | 
	 
    
	 | D801589,  | 
	 Feb 10 2006 | 
	 KORE OUTDOOR  US , INC  | 
	 Protective mask | 
	 
    
	 | D826477,  | 
	 Jul 15 2016 | 
	  | 
	 Mask | 
	 
    
	 | D826478,  | 
	 Dec 15 2016 | 
	 BOR JYE ENTERPRISE CO., LTD | 
	 Mask | 
	 
    
	 | D840602,  | 
	 Jun 30 2017 | 
	 UVEX ARBEITSSCHUTZ GMBH | 
	 Protective mask | 
	 
    
	 | D855255,  | 
	 Jul 17 2018 | 
	 BOY JYE ENTERPRISE CO., LTD | 
	 Helmet | 
	 
    
	 | D900405,  | 
	 Feb 10 2006 | 
	 KORE OUTDOOR  US , INC  | 
	 Protective mask | 
	 
    
	 | D959058,  | 
	 Dec 31 2020 | 
	 BOR JYE Enterprise Co., Ltd. | 
	 Mask | 
	 
    
	 | D962360,  | 
	 Jul 23 2021 | 
	  | 
	 Mask | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 6957447,  | 
	 Oct 22 2004 | 
	 KEE ACTION SPORTS LLC | 
	 Monolithic paintball mask | 
	 
    
	 | 20040049825,  | 
	  | 
	  | 
	  | 
	 
    
	 | 20060090234,  | 
	  | 
	  | 
	  | 
	 
    
	 | D407858,  | 
	 May 20 1997 | 
	 PROCAPS L P  | 
	 Face mask | 
	 
    
	 | D518605,  | 
	 Sep 20 2004 | 
	  | 
	 Mask | 
	 
    
	 | D522697,  | 
	 Nov 29 2004 | 
	  | 
	 Visor | 
	 
    
	 | D526094,  | 
	 Jul 07 2005 | 
	  | 
	 Mask | 
	 
    
	 | D529234,  | 
	 Sep 13 2005 | 
	 HSBC BANK CANADA | 
	 Quick change extension contoured mask frame | 
	 
    
	 | D529662,  | 
	 Aug 24 2005 | 
	 HSBC BANK CANADA | 
	 Head shield | 
	 
    
	 | D536833,  | 
	 May 31 2005 | 
	 HSBC BANK CANADA | 
	 Full coverage elongated head shield | 
	 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	  
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a