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						 Patent  
						   D872308  
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						 Priority  
						May 05 2016 
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						 Filed 
						Aug 13 2018  
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						 Issued 
						Jan 07 2020 
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						 Expiry 
						Jan 07 2035 
					   
					   						
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						 Assg.orig 
						
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						unknown 
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					    17 
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			  The ornamental design for a unitary tree ladder, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a front perspective view of a unitary tree ladder showing my new design.
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevation view thereof; and,
FIG. 7 is a right side elevation view thereof.
	
	Hand, Jon Bradford
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | ER6326,  | 
	  | 
	  | 
	  | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 3995714,  | 
	 Nov 17 1975 | 
	  | 
	 Multi-section ladder for scaling poles | 
	 
    
	 | 5439072,  | 
	 Mar 17 1994 | 
	  | 
	 Modular ladder system | 
	 
    
	 | 5655623,  | 
	 Dec 29 1994 | 
	  | 
	 Folding ladder, tree stand and securing device therefor | 
	 
    
	 | 5752580,  | 
	 Mar 17 1994 | 
	  | 
	 Modular ladder system | 
	 
    
	 | 5816362,  | 
	 Aug 20 1996 | 
	  | 
	 Modular safety ladder system | 
	 
    
	 | 6006864,  | 
	 Nov 12 1998 | 
	  | 
	 Tree ladder attachment | 
	 
    
	 | 6547035,  | 
	 May 20 1999 | 
	 OAK LEAF OUTDOORS INC  | 
	 Ladder module | 
	 
    
	 | 6719093,  | 
	 Feb 01 2002 | 
	  | 
	 Extension ladder and tree stand | 
	 
    
	 | 8439162,  | 
	 Dec 20 2011 | 
	  | 
	 Tree mounted ladder assembly | 
	 
    
	 | 8556035,  | 
	 Jan 07 2009 | 
	 Outdoor Technology Group, LLC | 
	 Ladder module and securement system | 
	 
    
	 | 20040216952,  | 
	  | 
	  | 
	  | 
	 
    
	 | D420147,  | 
	 Dec 03 1996 | 
	 Ebsco Industries, Inc | 
	 Hunting ladder | 
	 
    
	 | D442699,  | 
	 Nov 07 2000 | 
	  | 
	 Deer stand | 
	 
    
	 | D590068,  | 
	 Apr 30 2003 | 
	 Ebsco Industries, Inc | 
	 Modular tree ladder | 
	 
    
	 | D660981,  | 
	 Jul 21 2011 | 
	  | 
	 Scissor ladder | 
	 
    
	 | D710030,  | 
	 Dec 31 2012 | 
	 FITZGERALD, BRADLEY E , MR ; TURAN, KEVIN E , MR  | 
	 Irregular-shaped ladder for a tree stand | 
	 
    
	 | D759841,  | 
	 Aug 11 2015 | 
	 INTELLIGENT DESIGNS 2000 CORP  | 
	 Vehicle ladder | 
	 
	
	
	
	  
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