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					| Patent    D903331 |  
					| Priority Jan 04 2019 |  
					| Filed Jan 04 2019 |  
					| Issued Dec 01 2020 |  
					| Expiry Dec 01 2035 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 16 |  
					 | 4 |  
					 | 
						  n/a |  
						 
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			  The ornamental design for a hair brush, as shown and described. | 
 
	
FIG. 1 is a perspective view of a first embodiment of the hair brush showing my new design;
FIG. 2 is a top plan view of the first embodiment;
FIG. 3 is a front elevation view of the first embodiment;
FIG. 4 is a perspective side view thereof;
FIG. 5 is a perspective view of a first embodiment of the hair brush showing my new design;
FIG. 6 is a bottom plan view of the first embodiment; and,
FIG. 7 is another perspective side view thereof.
	
	Watson, Robert A
	
	
	  
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	 | D959849, | Mar 03 2021 | Shiseido Company, Limited | Cosmetic brush | 
    
	 | D961272, | Mar 03 2020 | Crown Quality Products Inc | Palm brush | 
    
	 | D972311, | Dec 21 2020 | NINGBO LET IT BE ARTS AND CRAFTS CO., LTD | Hair brush | 
    
	 | D972312, | Apr 02 2021 |  | Body brush | 
    
	 | D974049, | Feb 18 2021 |  | Hair brush | 
    
	 | ER1974, |  |  |  | 
    
	 | ER2303, |  |  |  | 
    
	 | ER2766, |  |  |  | 
    
	 | ER3267, |  |  |  | 
    
	 | ER5165, |  |  |  | 
    
	 | ER5217, |  |  |  | 
    
	 | ER5223, |  |  |  | 
    
	 | ER8249, |  |  |  | 
    
	 | ER8992, |  |  |  | 
    
	 | ER9, |  |  |  | 
    
	 | ER9103, |  |  |  | 
	
	
	
	
	
	
	
	  
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