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					| Patent    D801713 |  
					| Priority Jun 22 2016 |  
					| Filed Jun 22 2016 |  
					| Issued Nov 07 2017 |  
					| Expiry Nov 07 2032 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 6 |  
					 | 16 |  
					 | 
						  n/a |  
						 
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			  The ornamental design for a ball chair, as shown and described. | 
 
	
FIG. 1 is a perspective view of a ball chair showing my new design;
FIG. 2 is a front elevational view thereof, the rear elevational view being identical;
FIG. 3 is a left side elevational view thereof, the right side elevational view being identical;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
	
	Chiu, Ciber
	
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 5690389, | Sep 09 1996 |  | Pneumatic, ball-shaped chair | 
    
	 | 6702388, | Jun 04 2003 | FAMOSA CORP | Ball chair with a securing device | 
    
	 | 6832817, | Feb 19 2004 | FASMOSA CORP | Ball chair | 
    
	 | 9655455, | Jan 31 2013 | Barnett Engineering Ltd | Chair | 
    
	 | 20140265495, |  |  |  | 
    
	 | D471025, | Jul 25 2002 | FAMOSA CORP | Chair | 
    
	 | D503553, | Apr 22 2004 | FAMOSA CORP | Ball chair | 
    
	 | D623430, | Jan 14 2008 | Inventor Group GmbH | Chair | 
    
	 | D650182, | Dec 27 2010 | W.K. Wu Products Inc. | Chair | 
    
	 | D650183, | Dec 27 2010 | W.K. Wu Products Inc. | Chair | 
    
	 | D679916, | Aug 29 2012 | SEQUENTIAL HOLDCO LLC | Chair for an exercise ball | 
    
	 | D729559, | Oct 08 2013 | Gottebiten En Gros AB | Sales counter | 
    
	 | D748403, | Apr 04 2014 | Inventor Group GmbH | Chair | 
    
	 | D751308, | Oct 21 2014 | W. K. WU PRODUCTS INC. | Chair | 
    
	 | D767290, | Nov 05 2015 | Inventor Group GmbH | Chair | 
    
	 | D783301, | Mar 19 2015 | CHI LIN SPORT CO., LTD. | Ball chair | 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | Jun 20 2016 | CHIU, CIBER | FAMOSA CORP | ASSIGNMENT OF ASSIGNORS INTEREST  SEE DOCUMENT FOR DETAILS | 044127/ | 0694 | pdf | 
    
| Jun 22 2016 |  | Famosa Corp. | (assignment on the face of the patent) | / |  | 
    
	
	
	
	  
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