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						 Patent  
						   D544591  
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						 Priority  
						Jan 09 2006 
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						 Filed 
						Jan 09 2006  
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						 Issued 
						Jun 12 2007 
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						 Expiry 
						Jun 12 2021 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    14 
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					    4 
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			  The ornamental design for a humidifier tub, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a perspective view of a humidifier tub according to our design;
FIG. 2 is a front view thereof;
FIG. 3 is a rear view thereof;
FIG. 4 is a top view thereof;
FIG. 5 is a bottom view thereof; and,
FIG. 6 is a right side view thereof with the left side view thereof being a mirror image thereof.
	
	Kao, Dan, Snow, John Michael, Lithgow, Perry David, Smith, Ian Malcolm, Bonilla, Wiliam
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D576263,  | 
	 Jan 09 2006 | 
	 ResMed Pty Ltd | 
	 Portion of a humidifier tub | 
	 
    
	 | D579537,  | 
	 Apr 06 2006 | 
	 ResMed Pty Ltd | 
	 Humidifier tub | 
	 
    
	 | D714987,  | 
	 Nov 20 2012 | 
	 MARKERRY TECHNOLOGIES PTY LTD | 
	 Down light | 
	 
    
	 | D801504,  | 
	 Mar 25 2016 | 
	 LG Electronics Inc. | 
	 Water tank for air purifier with humidifier | 
	 
    
	 | D807996,  | 
	 Mar 24 2016 | 
	 LG Electronics Inc. | 
	 Water tank for air purifier with humidifier | 
	 
    
	 | D837968,  | 
	 Mar 11 2015 | 
	 ResMed Pty Ltd | 
	 Pressurized air delivery console | 
	 
    
	 | D844787,  | 
	 Dec 28 2015 | 
	 ResMed Pty Ltd | 
	 Pressurized air delivery console | 
	 
    
	 | D857189,  | 
	 Mar 11 2016 | 
	 ResMed Pty Ltd | 
	 Battery pack for an air delivery module | 
	 
    
	 | D861149,  | 
	 Dec 06 2017 | 
	 Maquet Critical Care AB | 
	 CO2 absorber | 
	 
    
	 | D865156,  | 
	 Mar 11 2015 | 
	 ResMed Pty Ltd | 
	 Pressurized air delivery console | 
	 
    
	 | D892303,  | 
	 Mar 11 2016 | 
	 ResMed Pty Ltd | 
	 Air delivery module | 
	 
    
	 | D898897,  | 
	 Mar 11 2015 | 
	 ResMed Pty Ltd | 
	 Pressurized air delivery console | 
	 
    
	 | D957620,  | 
	 Oct 02 2019 | 
	 Fisher & Paykel Healthcare Limited | 
	 Liquid chamber | 
	 
    
	 | D976409,  | 
	 Dec 28 2015 | 
	 ResMed Pty Ltd | 
	 Pressurized air delivery console | 
	 
	
	
	
	
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
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	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a