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						 Patent  
						   D840474  
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						 Priority  
						Mar 23 2017 
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						 Filed 
						Jun 13 2017  
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						 Issued 
						Feb 12 2019 
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						 Expiry 
						Feb 12 2034 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    6 
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					    22 
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						  n/a 
					   
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			  The ornamental design for a pen, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a perspective view of the pen;
FIG. 2 is a front elevational view of the pen;
FIG. 3 is a rear elevational view of the pen;
FIG. 4 is a left side elevational view of the pen;
FIG. 5 is a right side elevational view of the pen;
FIG. 6 is a top plan view of the pen;
FIG. 7 is a bottom plan view of the pen; and,
FIG. 8 is an exploded perspective view of the pen.
The broken lines in FIG. 6 are included to show a portion of the pen that forms no part of the claimed design.
	
	Li, Lei Xin
	
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 6409407,  | 
	 Jul 12 1999 | 
	 Schwan-Stabilo Schwanhausser GmbH & Co. | 
	 Pen or pencil | 
	 
    
	 | 7467908,  | 
	 Dec 24 2003 | 
	 LUCAS PUBLICATIONS, INC  | 
	 Fluid dispenser assembly | 
	 
    
	 | 7824124,  | 
	 Dec 24 2003 | 
	 Lucas Publications, Inc. | 
	 Fluid dispenser assembly | 
	 
    
	 | 8226319,  | 
	 Dec 24 2003 | 
	 Lucas Publications, Inc. | 
	 Fluid dispenser assembly | 
	 
    
	 | 18410,  | 
	  | 
	  | 
	  | 
	 
    
	 | D254856,  | 
	 Dec 18 1975 | 
	 ACCUTEC, INC. | 
	 Pen with chain | 
	 
    
	 | D282553,  | 
	 Dec 27 1983 | 
	 PARKER PEN  BENELUX  B V ; Bankers Trust Company | 
	 Writing instrument with contrasting striped body | 
	 
    
	 | D306316,  | 
	 Apr 24 1987 | 
	  | 
	 Twin-nibbed marking instrument | 
	 
    
	 | D355933,  | 
	 Jan 18 1994 | 
	  | 
	 Combination writing instrument and bookmark | 
	 
    
	 | D368553,  | 
	 Oct 11 1994 | 
	 COSMOLAB, INC  | 
	 Cosmetic marker | 
	 
    
	 | D369384,  | 
	 Jun 06 1995 | 
	 TSUKINEKO CO , LTD  | 
	 Plural-nibbed marking pen | 
	 
    
	 | D589555,  | 
	 Apr 16 2007 | 
	 Beifa Group Co., Ltd. | 
	 Dual-tip highlighter | 
	 
    
	 | D590876,  | 
	 Apr 16 2007 | 
	 Beifa Group Co., Ltd. | 
	 Dual-tip highlighter | 
	 
    
	 | D596230,  | 
	 Sep 20 2007 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D605694,  | 
	 Jun 26 2008 | 
	 Beifa Group Co., Ltd. | 
	 Dual-tip pen | 
	 
    
	 | D641402,  | 
	 Mar 02 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D648384,  | 
	 Aug 09 2010 | 
	 Fulon Development Limited | 
	 Marker | 
	 
    
	 | D654537,  | 
	 Dec 23 2010 | 
	 Fulon Development Limited | 
	 Marker | 
	 
    
	 | D662978,  | 
	 Oct 14 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D662979,  | 
	 Oct 14 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D667876,  | 
	 Oct 14 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D667878,  | 
	 Oct 14 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
	
	
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a