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					| Patent    D889177 |  
					| Priority Feb 13 2018 |  
					| Filed Feb 13 2018 |  
					| Issued Jul 07 2020 |  
					| Expiry Jul 07 2035 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 2 |  
					 | 21 |  
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			  The ornamental design for a chair rocker base, as shown and described. | 
 
	
FIG. 1 is a front isometric view of a chair rocker base;
FIG. 2 is a front elevation view thereof;
FIG. 3 is a rear elevation view thereof;
FIG. 4 is a right side elevation view thereof;
FIG. 5 is a left side elevation view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines shown in the drawing views are included for purposes of illustrating environment and form no part of the claimed design.
	
	Jahns, Henner
	
	
	
	
	  
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	 | D830075, | Jun 13 2016 | JBL INTERNATIONAL, INC | Chair | 
	
	
	
	
	
	  
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