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						 Patent  
						   D612541  
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						 Priority  
						Jun 04 2007 
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						 Filed 
						Dec 04 2007  
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						 Issued 
						Mar 23 2010 
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						 Expiry 
						Mar 23 2024 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    15 
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					    18 
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						  n/a 
					   
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		 |   
		 
			
			  
			  The ornamental design for a helmet, as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is a front view of a helmet showing my new design;
FIG. 2 is a side view thereof;
FIG. 3 is a front perspective view thereof;
FIG. 4 is a rear perspective view thereof;
FIG. 5 is a rear view thereof; and,
FIG. 6 is a top view thereof.
	
	Righetti, Andrea
	
	
	  
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	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 216071,  | 
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	 | D310434,  | 
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	  | 
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	 | D382671,  | 
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	  | 
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	  | 
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	 | D558285,  | 
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	 | D581599,  | 
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	 | D582607,  | 
	 Sep 20 2007 | 
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	 | D587854,  | 
	 Jan 29 2008 | 
	 Schutt Sports IP, LLC | 
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	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a