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						 Patent  
						   D641860  
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						 Priority  
						Feb 25 2010 
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						 Filed 
						Aug 24 2010  
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						 Issued 
						Jul 19 2011 
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						 Expiry 
						Jul 19 2025 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    7 
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					    13 
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			  The ornamental design for a draft chamber, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a front view of the draft chamber;
FIG. 2 is a rear view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a right-side view thereof;
FIG. 6 is a left-side view thereof; and,
FIG. 7 is a perspective view looking from the upper left-side direction of the draft chamber.
	
	Okamoto, Yasutoshi, Mochizuki, Akihiro, Yamada, Fumio, Kato, Yuko, Kumazawa, So
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | D729290,  | 
	 Feb 28 2013 | 
	 PHC HOLDINGS CORPORATION | 
	 Draft chamber | 
	 
    
	 | D737871,  | 
	 Jul 23 2013 | 
	 PHC HOLDINGS CORPORATION | 
	 Draft chamber | 
	 
    
	 | D801513,  | 
	 Mar 11 2016 | 
	 STARFIRE ACQUISITION, LLC | 
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	 | D805415,  | 
	 Feb 04 2016 | 
	 PHC Corporation | 
	 Draft chamber | 
	 
    
	 | D814719,  | 
	 Jul 21 2016 | 
	 AUTO ELEX Co., LTD | 
	 Incubator for animal | 
	 
    
	 | D897613,  | 
	 Jul 21 2016 | 
	 AUTO ELEX Co., LTD | 
	 Incubator for animal | 
	 
    
	 | D901105,  | 
	 Oct 31 2017 | 
	 AUTO ELEX CO , LTD | 
	 Incubator for animal | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 3777736,  | 
	  | 
	  | 
	  | 
	 
    
	 | 4976815,  | 
	 Apr 03 1987 | 
	 OHMI, Tadahiro; Hitachi Plant Engineering & Construction Co., Ltd. | 
	 Draft chamber | 
	 
    
	 | 6368388,  | 
	 Aug 24 2000 | 
	 Donaldson Company, Inc | 
	 Filter construction apparatus and method | 
	 
    
	 | 6623538,  | 
	 Mar 05 2001 | 
	 COUNCIL OF SCIENTIFIC & INDUSTRIAL RESEARCH, AN INDIAN CORPORATION | 
	 Sterile laminar airflow device | 
	 
    
	 | 6632260,  | 
	 Apr 28 1999 | 
	 Stratotech Corporation | 
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	 | 6966938,  | 
	 Feb 23 2001 | 
	 WERNER RIETSCHLE GMBH + CO  KG | 
	 Oil separator for pumps overflowing with oil | 
	 
    
	 | D256613,  | 
	 Aug 28 1978 | 
	  | 
	 Portable fireplace | 
	 
    
	 | D288692,  | 
	 Jul 20 1984 | 
	  | 
	 Coolant filter | 
	 
    
	 | D290290,  | 
	 Sep 21 1984 | 
	  | 
	 Clean room entry-exit system | 
	 
    
	 | D312304,  | 
	 Dec 05 1988 | 
	 PRESSURE SYSTEMS, INC , D B A EAGLE AIR SYSTEMS | 
	 Compressed air purifier cabinet | 
	 
    
	 | D396277,  | 
	 Oct 31 1997 | 
	  | 
	 Ventilator hood | 
	 
    
	 | D402498,  | 
	 Feb 26 1997 | 
	  | 
	 Water treatment and dispensing unit | 
	 
    
	 | D566256,  | 
	 May 11 2005 | 
	 Nonox Ltd. | 
	 Filtering device | 
	 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	  | Aug 19 2010 | YAMADA, FUMIO | SANYO ELECTRIC CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 025131 | /0560 | 
    pdf | 
    
    
| Aug 19 2010 | KUMAZAWA, SO | SANYO ELECTRIC CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 025131 | /0560 | 
    pdf | 
    
    
| Aug 19 2010 | KATO, YUKO | SANYO ELECTRIC CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 025131 | /0560 | 
    pdf | 
    
    
| Aug 19 2010 | MOCHIZUKI, AKIHIRO | SANYO ELECTRIC CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 025131 | /0560 | 
    pdf | 
    
    
| Aug 19 2010 | OKAMOTO, YASUTOSHI | SANYO ELECTRIC CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 025131 | /0560 | 
    pdf | 
    
    
| Aug 24 2010 |  | Sanyo Electric Co., Ltd. | (assignment on the face of the patent) |  | / | 
    
    
    
| May 07 2012 | SANYO ELECTRIC CO , LTD  | PANASONIC HEALTHCARE CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 028199 | /0301 | 
    pdf | 
    
    
| Mar 01 2014 | PANASONIC HEALTHCARE CO , LTD  | Panasonic Corporation | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 032480 | /0663 | 
    pdf | 
    
    
| Mar 31 2014 | PHC HOLDINGS CO , LTD  | PANASONIC HEALTHCARE HOLDINGS CO , LTD  | CHANGE OF NAME  SEE DOCUMENT FOR DETAILS   | 032785 | /0556 | 
    pdf | 
    
    
| Mar 31 2014 | Panasonic Corporation | PHC HOLDINGS CO , LTD  | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS   | 032785 | /0520 | 
    pdf | 
    
    
| Apr 01 2018 | PANASONIC HEALTHCARE HOLDINGS CO , LTD  | PHC HOLDINGS CORPORATION | CHANGE OF NAME  SEE DOCUMENT FOR DETAILS   | 046459 | /0854 | 
    pdf | 
    
    
	
	
	
	  
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