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						 Patent  
						   D572758  
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						 Priority  
						Dec 06 2005 
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						 Filed 
						May 30 2006  
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						 Issued 
						Jul 08 2008 
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						 Expiry 
						Jul 08 2022 
					   
 TERM.DISCL. 
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    8 
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					    17 
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			  The ornamental design for a ballpoint pen, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a front view of a ballpoint pen of the present invention;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom view thereof.
	
	Loesel, Helmut
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D609749,  | 
	 Aug 21 2008 | 
	 Holland USA, Inc. | 
	 Clip for a writing instrument | 
	 
    
	 | D610197,  | 
	 Nov 16 2007 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D650012,  | 
	 Oct 23 2009 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D651240,  | 
	 Jul 24 2010 | 
	 Beifa Group Co., Ltd. | 
	 Pen | 
	 
    
	 | D651241,  | 
	 Jul 24 2010 | 
	 Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD  | 
	 Pen | 
	 
    
	 | D656991,  | 
	 Oct 23 2009 | 
	 Ritter Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D663770,  | 
	 Sep 16 2010 | 
	 Ritter Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D713880,  | 
	 Dec 15 2012 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D319844,  | 
	 Mar 13 1989 | 
	 J.S. Staedtler GmbH & Co. | 
	 Ball point pen | 
	 
    
	 | D319845,  | 
	 Mar 13 1989 | 
	 J.S. Staedtler GmbH & Co. | 
	 Mechanical pen | 
	 
    
	 | D395674,  | 
	 Aug 12 1997 | 
	 INOXCROM, INC  | 
	 Pen | 
	 
    
	 | D409659,  | 
	 Jun 18 1998 | 
	 TOMBOW PENCIL CO , LTD  | 
	 Writing instrument | 
	 
    
	 | D447174,  | 
	 Jun 30 2000 | 
	 Shachihata Inc. | 
	 Felt pen | 
	 
    
	 | D456845,  | 
	 Sep 01 2000 | 
	  | 
	 Writing instrument | 
	 
    
	 | D485574,  | 
	 Jun 05 2000 | 
	 Merz & Krell GmbH & Co KGaA | 
	 Writing utensil | 
	 
    
	 | D485575,  | 
	 Aug 05 2002 | 
	 GREETING PENS LLC | 
	 Pen | 
	 
    
	 | D490851,  | 
	 Nov 01 2002 | 
	 Jacob Ritter GmbH | 
	 Ball point pen | 
	 
    
	 | D494218,  | 
	 Nov 20 2003 | 
	 Anand International | 
	 Retractable pen | 
	 
    
	 | D498496,  | 
	 Apr 07 2004 | 
	 Klio-Eterna Schreibgerate GmbH & Co. KG | 
	 Pen top | 
	 
    
	 | D500522,  | 
	 Oct 22 2003 | 
	 Jacob Ritter GmbH | 
	 Ball point pen | 
	 
    
	 | D508264,  | 
	 Apr 24 2004 | 
	 Jacob Ritter GmbH | 
	 Ball point pen | 
	 
    
	 | D538853,  | 
	 Dec 29 2004 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D539348,  | 
	 Aug 03 2005 | 
	 SCRIBE OPCO, INC  | 
	 Writing instrument | 
	 
    
	 | D540387,  | 
	 Dec 29 2004 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
    
	 | D541343,  | 
	 Dec 29 2004 | 
	 Ritter-Pen GmbH | 
	 Ballpoint pen | 
	 
	
	
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a