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					| Patent    D759397 |  
					| Priority Nov 04 2014 |  
					| Filed May 02 2015 |  
					| Issued Jun 21 2016 |  
					| Expiry Jun 21 2030 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 24 |  
					 | 8 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for an office chair, as shown. | 
 
	
FIG. 1 is a front view of an office chair incorporating a design of the present disclosure;
FIG. 2 is a back view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a left side view thereof;
FIG. 5 is a top plan view thereof;
FIG. 6 is a bottom plan view thereof; and,
FIG. 7 is a stereogram view thereof.
	
	Wu, Zuoguang
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | D766640, | Mar 31 2015 | Global Allies | Task chair | 
    
	 | D798068, | Mar 17 2016 | CULT FURNITURE LIMITED | Chair | 
    
	 | D798617, | Mar 17 2016 | CULT FURNITURE LIMITED | Chair | 
    
	 | D807066, | Sep 30 2016 | RH US, LLC | Chair | 
    
	 | D808182, | Apr 08 2016 |  | Arm chair | 
    
	 | D811757, | Feb 07 2017 |  | Arm chair | 
    
	 | D840164, | Apr 11 2016 | B&B ITALIA S P A | Armchair | 
    
	 | D841355, | Apr 11 2016 | B&B ITALIA S P A | Sofa | 
    
	 | D841993, | Jun 13 2017 |  | Chair | 
    
	 | D882974, | Jun 13 2017 |  | Chair | 
    
	 | D888449, | Jun 12 2019 | Allseating Corporation | Chair | 
    
	 | D892525, | Sep 17 2018 | Williams-Sonoma, Inc. | Chair | 
    
	 | D899799, | May 27 2019 |  | Chair | 
    
	 | D899800, | Jun 10 2019 |  | Chair | 
    
	 | D929762, | Mar 08 2020 |  | Chair | 
    
	 | D950266, | Nov 12 2020 | 39F USA INC | Chair | 
    
	 | D965329, | Apr 05 2019 | B&B ITALIA S P A | Armchair | 
    
	 | ER1926, |  |  |  | 
    
	 | ER3019, |  |  |  | 
    
	 | ER3107, |  |  |  | 
    
	 | ER3227, |  |  |  | 
    
	 | ER3483, |  |  |  | 
    
	 | ER8343, |  |  |  | 
    
	 | ER9181, |  |  |  | 
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 3521929, |  |  |  | 
    
	 | 3994466, | Jun 12 1975 | Prentice Corporation | Shroud for pedestal chair | 
    
	 | 237664, |  |  |  | 
    
	 | D386910, | Oct 04 1996 | Woodard--CM, LLC | Barrel type chair | 
    
	 | D508786, | Oct 29 2004 | Natuzzi S.p.A. | Chair | 
    
	 | D568617, | Aug 17 2007 | FRITZ HANSEN A S | Chair | 
    
	 | D614881, | May 06 2009 | KNOLL, INC | Chair | 
    
	 | D664381, | Apr 02 2012 | Global Allies, LLC | Task chair | 
	
	
	
	
	
	  
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