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						 Patent  
						   D692391  
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						 Priority  
						Feb 21 2011 
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						 Filed 
						Aug 19 2011  
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						 Issued 
						Oct 29 2013 
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						 Expiry 
						Oct 29 2027 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    38 
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					    12 
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			  The ornamental design for an O-ring, as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is a top perspective view of an O-ring, showing my new design;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a left side elevation view thereof;
FIG. 5 is a right side elevation view thereof;
FIG. 6 is a top plan view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a cross sectional view thereof taken along the line 8-8 of FIG. 6.
	
	Kim, Jin-Kwang
	
	
	  
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