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						Patent
 
						   D547826
 
					 
				 
				
					
						Priority
 
						Jan 27 2006
					 
				 
				
					
						Filed
						Jan 27 2006
 
					 
				 
				
					
						Issued
						Jul 31 2007
					 
				 
				
					
						Expiry
						Jul 31 2021
					   
					   						
					 
				 
				
					
						
						
					 
				 
				
					
						Assg.orig
						
					 
				 
				
					
						
						
					 
				 
				
					
						Entity
						unknown
					 
				 
				
					 
						
					   23
					  
				 
				
					 
						
					   7
					  
				 
				
					 
						
					   
						  n/a
					   
					  
				 
				
						 
    
     
     
				
				
			
		   
		 
			
			  
			  The ornamental design for a filter  system , as shown and described.
			  
			  
			  
			  
			 
		 
	 
 
	
FIG. 1  is a perspective view of a filter system showing the new ornamental design, the portions shown in broken lines forming no part of the design sought to be patented;
FIG. 2  is a front view thereof, the portions shown in broken lines forming no part of the design sought to be patented;
FIG. 3  is a back view thereof, the portions shown in broken lines forming no part of the design sought to be patented;
FIG. 4  is a left side elevational view thereof, the left and right views being a mirror image, and the portions shown in broken lines forming no part of the design sought to be patented;
FIG. 5  is a top plan view thereof; and,
FIG. 6  is a bottom plan view thereof.
 
	
	Fletcher, Christine , Kennedy, Gregory , Khamis, Chaouki 
	
	
	  
 	  	 Patent 
	  	 Priority 
	  	 Assignee 
	  	 Title 
	   
	      
	 12138571 , Sep 25 2019 
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	 D610650 , Dec 31 2008 
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	 TIANJIN YUNDA INDUSTRY AND TRADE CO., LTD. Water filter 
	  
    
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	 TODDY, LLC.; TODDY, LLC Filtration system 
	  
    
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	 BRIO WATER TECHNOLOGY, INC  Filter 
	  
    
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	 Water purifier 
	  
	
	
	
	
	
	  
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