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						 Patent  
						   D880883  
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						 Priority  
						Oct 31 2017 
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						 Filed 
						Oct 31 2017  
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						 Issued 
						Apr 14 2020 
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						 Expiry 
						Apr 14 2035 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    12 
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			  The ornamental design for a swivel chair, as shown and described. 
			  
			  
			  
			  
			 
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FIG. 1 is a front view of a swivel chair;
FIG. 2 is a back view thereof;
FIG. 3 is a top view thereof;
FIG. 4 is a bottom view thereof;
FIG. 5 is a left side view thereof;
FIG. 6 is a top front left perspective view thereof; and,
FIG. 7 is a right side view thereof.
The broken lines show portions of the swivel chair and form no part of the claimed design.
	
	Li, Yuehai
	
	
	
	
	  
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	  	 | Date | 
	  	 Maintenance Fee Events | 
	  
	  n/a
	
	
	
	  
	  	 | Date | 
	  	 Maintenance Schedule | 
	  
	  n/a