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					| Patent    D575823 |  
					| Priority Oct 25 2005 |  
					| Filed Apr 24 2006 |  
					| Issued Aug 26 2008 |  
					| Expiry Aug 26 2022 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 14 |  
					 | 106 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a writing instrument, as shown and described. | 
 
	
FIG. 1 is a side view of a writing instrument of the present application seen from the left side of the writing instrument as shown in FIG. 4;
FIG. 2 is a rear view thereof;
FIG. 3 is a side view seen from the right side thereof;
FIG. 4 is a front view thereof;
FIG. 5 is a bottom view thereof shown on an enlarged scale; and,
FIG. 6 is a top view thereof shown on an enlarged scale.
	
	Rommel, Volkmar
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | D601200, | May 23 2008 | Beifa Group Co., Ltd. | Pen | 
    
	 | D605698, | Jun 26 2008 | Beifa Group Co., Ltd. | Pen | 
    
	 | D628639, | Jul 22 2009 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Pen | 
    
	 | D628645, | Jul 19 2009 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Pen | 
    
	 | D633943, | Aug 24 2009 | Faber-Castell Aktiengesellschaft | Writing instrument | 
    
	 | D648387, | Jul 24 2010 | Beifa Group Co., Ltd. | Pen | 
    
	 | D651242, | Jul 24 2010 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Pen | 
    
	 | D651243, | Jul 24 2010 | Beifa Group Co., Ltd.; BEIFA GROUP CO , LTD | Pen | 
    
	 | D700657, | Feb 14 2012 | STAEDTLER SE | Writing implement | 
    
	 | D701268, | Feb 14 2012 | STAEDTLER SE | Writing implement | 
    
	 | D791873, | Nov 11 2015 | SANFORD, L P | Pen | 
    
	 | D861071, | Sep 08 2017 | STAEDTLER SE | Writing implement | 
    
	 | D861072, | Sep 08 2017 | STAEDTLER SE | Writing implement | 
    
	 | D949970, | Sep 09 2019 | Kabushiki Kaisha Pilot Corporation | Ballpoint pen | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 2622561, |  |  |  | 
    
	 | 3638280, |  |  |  | 
    
	 | 6719472, | Jun 28 2001 | 3M Innovative Properties Company | Writing instrument with sheet dispenser | 
    
	 | 108111, |  |  |  | 
    
	 | 120137, |  |  |  | 
    
	 | 121406, |  |  |  | 
    
	 | 130597, |  |  |  | 
    
	 | 151661, |  |  |  | 
    
	 | 177560, |  |  |  | 
    
	 | 182207, |  |  |  | 
    
	 | 188971, |  |  |  | 
    
	 | 193918, |  |  |  | 
    
	 | 198419, |  |  |  | 
    
	 | 198953, |  |  |  | 
    
	 | 205330, |  |  |  | 
    
	 | 210635, |  |  |  | 
    
	 | 211296, |  |  |  | 
    
	 | 220139, |  |  |  | 
    
	 | D279383, | Sep 06 1983 | PARKER PEN  I P   LIMITED | Ball point writing instrument | 
    
	 | D285936, | Feb 24 1984 | Parker Pen Products | Push button ball point pen | 
    
	 | D289088, | Apr 30 1984 | A W  FABER-CASTELL GMBH & CO | Nail polish applicator | 
    
	 | D319663, | Mar 20 1989 | Tombow Pencil Co. Ltd. | Design for a pen | 
    
	 | D328917, | Feb 16 1990 | Tokai Corporation | Twin-nibbed ball-point pen | 
    
	 | D369183, | Dec 26 1994 | Schachihata Inc. | Felt pen | 
    
	 | D381043, | Nov 22 1995 | Tombow Pencil Co. Ltd. | Writing utensil | 
    
	 | D387804, | Jan 31 1997 | Kotobuki & Co., Ltd. | Composite writing instrument | 
    
	 | D389862, | Sep 11 1996 | Shachihata Inc. | Felt pen | 
    
	 | D389965, | Mar 19 1997 |  | Lotto ticket scratch-off instrument with bristle end | 
    
	 | D394875, | Mar 17 1997 | Kotobuki & Co., Ltd. | Writing instrument | 
    
	 | D397723, | Mar 25 1997 | Kotobuki & Co., Ltd. | Writing instrument | 
    
	 | D398641, | Oct 01 1997 | Berol Corporation | Writing instrument | 
    
	 | D405468, | Jul 29 1998 | Kotobuki & Co., Ltd. | Writing instrument | 
    
	 | D410682, | Nov 21 1997 | Kotobuki & Co., Ltd. | Writing instrument | 
    
	 | D425559, | Jul 08 1999 | Inoxcrom, S.A. | Ball pen | 
    
	 | D430607, | Oct 29 1999 | Kokuyo Kabushiki Kaisha | Mechanical pencil | 
    
	 | D431598, | Sep 21 1998 | IDEO PRODUCT DEVELOPMENT, INC | Combination stylus and pen | 
    
	 | D441793, | Jun 29 2000 | Itoya of America, Ltd. | Writing pen | 
    
	 | D444502, | Jun 19 1997 |  | Holder for a writing instrument | 
    
	 | D447177, | Dec 28 1999 | Trodat GmbH | Ballpoint pen | 
    
	 | D451141, | Sep 22 1999 | RUSTIONI S A | Pen | 
    
	 | D464374, | Dec 17 2001 | Dri Mark Products, Inc. | Barrel-shaped marker | 
    
	 | D469469, | Nov 13 2001 | Berol Corporation | Transfer tape dispenser | 
    
	 | D479599, | Mar 08 2002 | DCA Design International Limited | Medicament delivery device | 
    
	 | D479601, | Mar 08 2002 | DCA Design International Limited | Medicament delivery device | 
    
	 | D479603, | Mar 08 2002 | DCA Design International Limited | Medicament delivery device | 
    
	 | D479747, | Mar 08 2002 | DCA Design International Limited | Medicament delivery device | 
    
	 | D482070, | Oct 28 2002 | Berol Corporation | End plug for a writing instrument | 
    
	 | D482728, | Dec 29 2001 | Jacob Ritter GmbH | Ball point pen | 
    
	 | D496963, | Jul 05 2003 | Jacob Ritter GmbH | Ball point pen | 
    
	 | D497389, | Jul 28 2003 | Tombow Pencil Co., Ltd. | Ball point pen | 
    
	 | D499485, | Nov 09 2002 | DCA Design International Limited | Pen-type injector | 
    
	 | D499762, | Mar 04 2004 | SANFORD, L P | Writing instrument | 
    
	 | D501030, | Dec 31 2003 | Quadrinvest S.p.A. | Pen | 
    
	 | D501223, | Dec 31 2003 | Quadrinvest S.p.A. | Pen | 
    
	 | D505490, | Nov 09 2002 | DCA Design International Limited | Pen-type injector | 
    
	 | D509246, | Jan 25 2005 | Fulon Development Limited | Marker | 
    
	 | 83321, |  |  |  | 
    
	 | DE40002664, |  |  |  | 
    
	 | DE40103775, |  |  |  | 
    
	 | DE40206598, |  |  |  | 
    
	 | DE40306612, |  |  |  | 
    
	 | DE40406128, |  |  |  | 
    
	 | DE7244435, |  |  |  | 
    
	 | DE9005420, |  |  |  | 
    
	 | DE9103545, |  |  |  | 
    
	 | DE9106218, |  |  |  | 
    
	 | DE9208991, |  |  |  | 
    
	 | DE9306583, |  |  |  | 
    
	 | DE9403617, |  |  |  | 
    
	 | DE9405298, |  |  |  | 
    
	 | DE9606733, |  |  |  | 
    
	 | DE9609282, |  |  |  | 
    
	 | DE9800754, |  |  |  | 
    
	 | EM3901, |  |  |  | 
    
	 | EM3907801, |  |  |  | 
    
	 | EM15426504, |  |  |  | 
    
	 | EM172143, |  |  |  | 
    
	 | EM173687, |  |  |  | 
    
	 | EM178223, |  |  |  | 
    
	 | EM257738, |  |  |  | 
    
	 | EM341144, |  |  |  | 
    
	 | EM345483, |  |  |  | 
    
	 | EM352315, |  |  |  | 
    
	 | EM480819, |  |  |  | 
    
	 | EP5164060001, |  |  |  | 
    
	 | JP895852, |  |  |  | 
    
	 | WO12896, |  |  |  | 
    
	 | WO28367, |  |  |  | 
    
	 | WO31707, |  |  |  | 
    
	 | WO41175, |  |  |  | 
    
	 | WO42234, |  |  |  | 
    
	 | WO46821, |  |  |  | 
    
	 | WO47097, |  |  |  | 
    
	 | WO47445, |  |  |  | 
    
	 | WO49066, |  |  |  | 
    
	 | WO50654, |  |  |  | 
    
	 | WO52382, |  |  |  | 
    
	 | WO55823, |  |  |  | 
    
	 | WO56664, |  |  |  | 
    
	 | WO57082, |  |  |  | 
    
	 | WO59335, |  |  |  | 
    
	 | WO60376, |  |  |  | 
    
	 | WO63182, |  |  |  | 
    
	 | WO65764, |  |  |  | 
    
	 | WO66060, |  |  |  | 
    
	 | WO68043, |  |  |  | 
	
	
	
	
	
	  
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