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						 Patent  
						   D601830  
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						 Priority  
						Oct 30 2008 
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						 Filed 
						Oct 30 2008  
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						 Issued 
						Oct 13 2009 
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						 Expiry 
						Oct 13 2023 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    16 
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					    12 
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			  The ornamental design for a frame for a chair back, as shown and described. 
			  
			  
			  
			  
			 
		 | 
	
 
	
FIG. 1 is a front elevational view of a frame for a chair back which forms my new design;
FIG. 2 is a rear elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a left side elevational view thereof; and
FIG. 5 is a top plan view thereof; and,
FIG. 6 is a bottom plan view thereof.
	
	Egger, Julien
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D625099,  | 
	 Nov 12 2009 | 
	  | 
	 Collapsible canopy | 
	 
    
	 | D638235,  | 
	 Feb 24 2010 | 
	 Formway Furniture Limited | 
	 Chair frame | 
	 
    
	 | D683151,  | 
	 Sep 20 2012 | 
	 Steelcase Inc | 
	 Chair | 
	 
    
	 | D686013,  | 
	 Dec 23 2011 | 
	 CHIA CHI YA ENTERPRISE CO., LTD.; CHIA CHI YA ENTERPRISE CO , LTD  | 
	 Chair back frame | 
	 
    
	 | D689313,  | 
	 Sep 20 2012 | 
	 Steelcase Inc. | 
	 Chair | 
	 
    
	 | D689319,  | 
	 Sep 20 2012 | 
	 Steelcase Inc. | 
	 Chair | 
	 
    
	 | D690146,  | 
	 Sep 20 2012 | 
	 Steelcase Inc. | 
	 Chair | 
	 
    
	 | D690547,  | 
	 Sep 20 2012 | 
	 Steelcase Inc. | 
	 Chair | 
	 
    
	 | D697730,  | 
	 Sep 20 2012 | 
	 Steelcase Inc | 
	 Chair | 
	 
    
	 | D698165,  | 
	 Sep 20 2012 | 
	 Steelcase Inc | 
	 Chair | 
	 
    
	 | D699958,  | 
	 Sep 20 2012 | 
	 Steelcase Inc | 
	 Chair | 
	 
    
	 | D758774,  | 
	 Apr 24 2015 | 
	 Steelcase Inc. | 
	 Headrest assembly | 
	 
    
	 | D759415,  | 
	 Apr 24 2015 | 
	 Steelcase Inc. | 
	 Headrest | 
	 
    
	 | D760526,  | 
	 Apr 24 2015 | 
	 Steelcase Inc. | 
	 Headrest assembly | 
	 
    
	 | D781604,  | 
	 Apr 24 2015 | 
	 Steelcase Inc. | 
	 Chair | 
	 
    
	 | D781605,  | 
	 Apr 24 2015 | 
	 Steelcase Inc. | 
	 Chair | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D510671,  | 
	 Nov 25 2003 | 
	  | 
	 Backrest frame of a chair | 
	 
    
	 | D512574,  | 
	 Apr 20 2004 | 
	 Zhejiang Himax Furniture Industry Corp., Ltd. | 
	 Chair | 
	 
    
	 | D536557,  | 
	 May 24 2005 | 
	  | 
	 Mesh chair back | 
	 
    
	 | D548994,  | 
	 Jan 23 2007 | 
	  | 
	 Chair | 
	 
    
	 | D549473,  | 
	 May 07 2004 | 
	 Topstar GmbH | 
	 Chair | 
	 
    
	 | D549474,  | 
	 May 07 2004 | 
	 Topstar GmbH | 
	 Chair | 
	 
    
	 | D568624,  | 
	 Oct 03 2007 | 
	 Hurng Taih Plastic Master Batch Co., Ltd. | 
	 Office chair | 
	 
    
	 | D573817,  | 
	 Sep 07 2007 | 
	  | 
	 Chair backrest | 
	 
    
	 | D574645,  | 
	 May 02 2007 | 
	 Dynamic Office Chair Company, Ltd. | 
	 Chair back | 
	 
    
	 | D580198,  | 
	 Mar 17 2008 | 
	  | 
	 Chair back | 
	 
    
	 | D580199,  | 
	 Jul 02 2008 | 
	  | 
	 Chair backrest | 
	 
    
	 | D585205,  | 
	 Mar 27 2008 | 
	 Hurng Taih Plastic Master Batch Co., Ltd. | 
	 Frame of the office chair | 
	 
	
	
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
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	  	 | Date | 
	  	 Maintenance Schedule | 
	  
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