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						 Patent  
						   D314820  
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						 Priority  
						May 22 1987 
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						 Filed 
						May 22 1987  
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						 Issued 
						Feb 19 1991 
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						 Expiry 
						Feb 19 2005 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    17 
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					    5 
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						  n/a 
					   
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			  The ornamental design for an air duct boot, as shown and described.  
			  
			  
			  
			  
			 
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FIG. 1 is a front elevation view of an air duct boot showing my new design;
FIG. 2 is a rear elevation view thereof;
FIG. 3 is a side elevation view thereof, the opposite side being a mirror
image of that shown;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof.
	
	Sullivan, John F.
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 5240288,  | 
	 Apr 20 1992 | 
	 General Plastics, Inc. | 
	 Double air duct boot | 
	 
    
	 | 5542223,  | 
	 Aug 20 1993 | 
	 General Plastics, Inc. | 
	 Air duct boot | 
	 
    
	 | 9513056,  | 
	 Jan 18 2013 | 
	  | 
	 Dryer vent stabilizing apparatus | 
	 
    
	 | D341655,  | 
	 Mar 16 1992 | 
	 General Plastics, Inc. | 
	 Air duct riser | 
	 
    
	 | D423660,  | 
	 Mar 22 1999 | 
	  | 
	 Air duct boot | 
	 
    
	 | D442273,  | 
	 Mar 13 1999 | 
	 Lafarge Braas Research & Development Limited | 
	 Tile ventilator | 
	 
    
	 | D471972,  | 
	 Nov 07 2001 | 
	  | 
	 Extension for a heating duct | 
	 
    
	 | D537934,  | 
	 Sep 19 2005 | 
	  | 
	 Duct boot with straight and elbow inlets | 
	 
    
	 | D619699,  | 
	 Mar 26 2009 | 
	 Kimura Kohki Co. Ltd. | 
	 Air outlet | 
	 
    
	 | D621499,  | 
	 Mar 26 2009 | 
	 Kimura Kohki Co., Ltd. | 
	 Air outlet | 
	 
    
	 | D629883,  | 
	 Mar 26 2009 | 
	 Kimura Kohki Co., Ltd. | 
	 Air outlet | 
	 
    
	 | D658831,  | 
	 Jan 14 2011 | 
	 ROBITA, INC  | 
	 Vent attachment for clothes dryer | 
	 
    
	 | D690065,  | 
	 Jan 18 2013 | 
	  | 
	 Adjustable dryer vent positioning bracket | 
	 
    
	 | D886262,  | 
	 Mar 05 2018 | 
	 Kimura Kohki Co., Ltd. | 
	 Ceiling attaching type air conditioner | 
	 
    
	 | D886263,  | 
	 Mar 05 2018 | 
	 Kimura Kohki Co., Ltd. | 
	 Ceiling attaching type air conditioner | 
	 
    
	 | D886264,  | 
	 Mar 05 2018 | 
	 Kimura Kohki Co., Ltd. | 
	 Ceiling attaching type air conditioner | 
	 
    
	 | D886972,  | 
	 Mar 05 2018 | 
	 Kimura Kohki Co., Ltd. | 
	 Ceiling attaching type air conditioner | 
	 
	
	
	
	
	
	
	
	  
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