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						 Patent  
						   D651247  
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						 Priority  
						Jul 24 2010 
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						 Filed 
						Jan 19 2011  
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						 Issued 
						Dec 27 2011 
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						 Expiry 
						Dec 27 2025 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    3 
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					    20 
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			  The ornamental design for a pen, as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is an upper front right perspective view of a pen showing my new design;
FIG. 2 is a right side elevation view thereof, with the left side elevation view being a mirror image of the right side elevation view;
FIG. 3 is a front elevation view thereof;
FIG. 4 is a rear elevation view thereof;
FIG. 5 is an enlarged top plan view thereof; and,
FIG. 6 is an enlarged bottom plan view thereof.
	
	Liang, Wenyan
	
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 190307,  | 
	  | 
	  | 
	  | 
	 
    
	 | 190349,  | 
	  | 
	  | 
	  | 
	 
    
	 | D363084,  | 
	 Aug 17 1993 | 
	 Parker Pen Products | 
	 Writing instrument | 
	 
    
	 | D399874,  | 
	 Dec 30 1997 | 
	 INOXCROM, S A  | 
	 Ballpoint pen | 
	 
    
	 | D410030,  | 
	 Mar 25 1998 | 
	 Kotobuki & Co., Ltd. | 
	 Writing instrument | 
	 
    
	 | D412183,  | 
	 Jul 30 1998 | 
	 ROTRING INTERNATIONAL GMBH & CO  KG | 
	 Ball point pen | 
	 
    
	 | D418163,  | 
	 Jun 22 1999 | 
	 Mega Brands International, Luxembourg, Zug Branch | 
	 Writing instrument | 
	 
    
	 | D427633,  | 
	 Aug 06 1999 | 
	 INOXCROM, S A  | 
	 Pen | 
	 
    
	 | D444815,  | 
	 Dec 14 1999 | 
	 Kotobuki & Co., Ltd. | 
	 Writing instrument | 
	 
    
	 | D482067,  | 
	 Dec 11 2002 | 
	  | 
	 Pen | 
	 
    
	 | D489090,  | 
	 Nov 21 2002 | 
	 Jacob Ritter GmbH | 
	 Ball point pen | 
	 
    
	 | D523081,  | 
	 Sep 23 2003 | 
	 Inoxcrom, S.A. | 
	 Writing instrument | 
	 
    
	 | D573186,  | 
	 Sep 12 2003 | 
	 Senator GmbH & Co KGaA | 
	 Writing instrument with bow operator | 
	 
    
	 | D575822,  | 
	 Feb 15 2007 | 
	 Societe Bic | 
	 Writing instrument | 
	 
    
	 | D589559,  | 
	 Jan 25 2008 | 
	 KLIO-ETERNA SCHREIBGERATE GMBH & CO  KG | 
	 Writing pen | 
	 
    
	 | D599402,  | 
	 Dec 07 2007 | 
	 Beifa Group Co., Ltd. | 
	 Pen | 
	 
    
	 | D602087,  | 
	 May 12 2004 | 
	 Senator GmbH & Co KGaA | 
	 Writing instrument | 
	 
    
	 | D605698,  | 
	 Jun 26 2008 | 
	 Beifa Group Co., Ltd. | 
	 Pen | 
	 
    
	 | D611538,  | 
	 Feb 27 2008 | 
	 Beifa Group Co., Ltd. | 
	 Pen | 
	 
    
	 | D615590,  | 
	 Sep 19 2008 | 
	 Beifa Group Co., Ltd. | 
	 Pen | 
	 
	
	
	
	
	
	  
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