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						Patent
 
						   D831357
 
					 
				 
				
					
						Priority
 
						May 26 2017
					 
				 
				
					
						Filed
						Aug 21 2017
 
					 
				 
				
					
						Issued
						Oct 23 2018
					 
				 
				
					
						Expiry
						Oct 23 2033
					   
					   						
					 
				 
				
					
						
						
					 
				 
				
					
						Assg.orig
						
					 
				 
				
					
						
						
					 
				 
				
					
						Entity
						unknown
					 
				 
				
					 
						
					   6
					  
				 
				
					 
						
					   21
					  
				 
				
					 
						
					   
						  n/a
					   
					  
				 
				
						 
    
     
     
				
				
			
		   
		 
			
			  
			  The ornamental design for a hair  straightening apparatus, as shown and described.
			  
			  
			  
			  
			 
		 
	 
 
	
FIG. 1  is a perspective view of a hair straightening apparatus, showing my new design;
FIG. 2  is a front view thereof;
FIG. 3  is a rear view thereof;
FIG. 4  is a left side view thereof;
FIG. 5  is a right side view thereof;
FIG. 6  is a top plan view thereof; and,
FIG. 7  is a bottom plan view thereof.
The broken line shown are included for the purpose of illustrating portions of the hair straightening apparatus which form no part of the claimed design.
 
	
	Lin, Qiongquan 
	
	
	
	
	  
 	  	 Patent 
	  	 Priority 
	  	 Assignee 
	  	 Title 
	   
	      
	 20160227898 ,  
    
	 20180125223 ,  
    
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	 GIZMOSPRING COM DONGGUAN LIMITED Vibrating body brush 
	  
    
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	 GUY A. SHAKED INVESTMENTS LTD. Hair straightening brush 
	  
    
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	 Dongguan Quzhi Appliance Technology Co., Ltd.; DONGGUAN QUZHI APPLIANCE TECHNOLOGY CO , LTD  Hair comb 
	  
    
	 WO2015169383 ,  
	
	
	
	
	
	  
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