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						 Patent  
						   D675455  
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						 Priority  
						Mar 06 2012 
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						 Filed 
						Mar 06 2012  
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						 Issued 
						Feb 05 2013 
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						 Expiry 
						Feb 05 2027 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
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			  The ornamental design for a tree stand extension, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a right elevation view of a tree stand extension showing my new design, the opposite side being a mirror image of the shown;
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; and,
FIG. 6 is an isometric view thereof in a used condition.
The broken lines in FIG. 6 of the drawings depict a tree stand as environmental subject matter only and form no part of the claimed design.
The FIGS. 4 and 5 shown without the side bars for ease of illustration.
	
	Bentley, Lyle
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D702954,  | 
	 Jan 22 2013 | 
	  | 
	 Double extension for a tree stand | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 4369858,  | 
	 Feb 17 1981 | 
	  | 
	 Hunter's tree stand and seat | 
	 
    
	 | 4458782,  | 
	 May 23 1983 | 
	  | 
	 Tree stand seat | 
	 
    
	 | 4579198,  | 
	 Sep 06 1985 | 
	  | 
	 Collapsible tree stand assembly | 
	 
    
	 | 5016732,  | 
	 Aug 22 1988 | 
	  | 
	 Portable combination hunting and observation stand | 
	 
    
	 | 5332063,  | 
	 Jan 08 1992 | 
	 HART, J  MICHAEL | 
	 Ladder stand | 
	 
    
	 | 5791436,  | 
	 Jul 23 1996 | 
	 BIG OAK MANUFACTURING CO , LLC | 
	 Tree stand | 
	 
    
	 | 6830128,  | 
	 Nov 01 2002 | 
	  | 
	 Temporary ladder tree stand anchor | 
	 
    
	 | 6988588,  | 
	 Aug 08 2001 | 
	  | 
	 Climbing tree stand | 
	 
    
	 | 7021423,  | 
	 Jun 27 2002 | 
	 GORILLA, INC  | 
	 Ladder stand with adjustable implement rest and pivotally movable flip-up seat | 
	 
    
	 | 7370728,  | 
	 Apr 11 1997 | 
	  | 
	 Apparatus for a reclining and rectractable sling seat for use with a portable hunting tree stand | 
	 
    
	 | 7849964,  | 
	 Feb 14 2008 | 
	 AMACKER LLC | 
	 Climbing tree stand and game cart | 
	 
    
	 | D599124,  | 
	 Jul 18 2008 | 
	  | 
	 Climbing tree stand with seat and leveling apparatus | 
	 
    
	 | D617107,  | 
	 Mar 07 2006 | 
	  | 
	 Seat assembly | 
	 
	
	
	
	  
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