PTO 
                  Wrapper 
						
						PDF 
                  
					 
				 
				  
				  
						Dossier 
                
						Espace 
						Google  
				     
				 
			  
				  
					    
				
					
						Patent
 
						   D723141
 
					 
				 
				
					
						Priority
 
						Jul 11 2012
					 
				 
				
					
						Filed
						Jan 10 2013
 
					 
				 
				
					
						Issued
						Feb 24 2015
					 
				 
				
					
						Expiry
						Feb 24 2029
					   
					   						
					 
				 
				
					
						
						
					 
				 
				
					
						Assg.orig
						
					 
				 
				
					
						
						
					 
				 
				
					
						Entity
						unknown
					 
				 
				
					 
						
					   4
					  
				 
				
					 
						
					   21
					  
				 
				
					 
						
					   
						  n/a
					   
					  
				 
				
						 
    
     
     
				
				
			
		   
		 
			
			  
			  The ornamental design for an aeration  tube , as shown and described.
			  
			  
			  
			  
			 
		 
	 
 
	
FIG. 1  is a perspective view of an aeration tube showing our new design;
FIG. 2  is a front elevational view; the rear elevational view is a mirror image of the front view;
FIG. 3  is a top plan view thereof;
FIG. 4  is a bottom plan view thereof;
FIG. 5  is a left side elevational view thereof; and,
FIG. 6  is a right side elevational view thereof.
The broken line showing is included for the purpose of illustrating portions of the article and boundaries of the claimed subject matter and forms no part of the claimed design.
 
	
	Sasakawa, Manabu , Furuno, Shinsuke 
	
	
	
	
	  
 	  	 Patent 
	  	 Priority 
	  	 Assignee 
	  	 Title 
	   
	      
	 3109875 ,  
    
	 4960546 , Apr 19 1989 
	 Charles E., Tharp Diffuser mounting arrangement for waste water aeration systems 
	  
    
	 5330688 , May 27 1993 
	 ENVIROQUIP INTERNATIONAL, INC  Flexible diffuser assembly for aeration applications 
	  
    
	 5587114 , Jun 06 1995 
	 ENVIRONMENTAL DYNAMICS INTERNATIONAL, INC  Aeration system employing retrievable aeration modules 
	  
    
	 5597264 , Jun 30 1995 
	 Leaching field and method of making 
	  
    
	 5616288 , Jun 26 1995 
	 Aeration apparatus and method of aerating liquids 
	  
    
	 5988943 , Sep 18 1997 
	 Liquid distribution device for drainfields 
	  
    
	 6482627 , Apr 20 2001 
	 D&P Industries, Inc. Composting device with internal aeration tube 
	  
    
	 8500107 , Oct 22 2007 
	 MAPAL GREEN ENERGY LTD  Aeration device for the introduction of gas bubbles into a liquid medium 
	  
    
	 D273804 , Nov 27 1980 
	 Modular liquid or gas manifold for a swimming pool solar heater 
	  
    
	 D311053 , Jan 13 1988 
	 Elongated shower head with plural spray nozzles 
	  
    
	 D353873 , Oct 26 1993 
	 Fog-making apparatus 
	  
    
	 D357970 , May 11 1993 
	 Aeration spray arm unit for use in swimming pools 
	  
    
	 D375540 , Jun 26 1995 
	 Aeration unit 
	  
    
	 D416074 , Mar 20 1998 
	 PPI Corporation Pty. Ltd. Water tap for use in microirrigation systems 
	  
    
	 D648426 , Jan 29 2010 
	 Mitsubishi Chemical Corporation Aeration pipe unit 
	  
    
	 D652123 , Jun 01 2009 
	 Crystal Spring Colony Farms Ltd Water supply pipe 
	  
    
	 D652900 , Jan 29 2010 
	 Mitsubishi Chemical Corporation Aeration pipe unit 
	  
    
	 D675715 , May 03 2012 
	 DIE MOLD TOOL LIMITED Manifold with side ports 
	  
    
	 D687925 , Sep 11 2012 
	 Rotating spray bar 
	  
    
	 D705391 , Mar 07 2012 
	 Mitsubishi Chemical Corporation Degassing aeration membrane module 
	  
	
	
	
	
	
	  
	  	 Date 
	  	 Maintenance Fee Events 
	   
	  n/a
	
	
	
	  
	  	 Date 
	  	 Maintenance Schedule 
	   
	  n/a