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						Patent
 
						   D840436
 
					 
				 
				
					
						Priority
 
						Aug 31 2017
					 
				 
				
					
						Filed
						Aug 31 2017
 
					 
				 
				
					
						Issued
						Feb 12 2019
					 
				 
				
					
						Expiry
						Feb 12 2034
					   
					   						
					 
				 
				
					
						
						
					 
				 
				
					
						Assg.orig
						
					 
				 
				
					
						
						
					 
				 
				
					
						Entity
						unknown
					 
				 
				
					 
						
					   60
					  
				 
				
					 
						
					   28
					  
				 
				
					 
						
					   
						  n/a
					   
					  
				 
				
						 
    
     
     
				
				
			
		   
		 
			
			  
			  The ornamental design for an audio  input /output device, as shown and described.
			  
			  
			  
			  
			 
		 
	 
 
	
FIG. 1  is a perspective view of an audio input/output device showing our new design.
FIG. 2  is a front elevation view thereof.
FIG. 3  is a rear elevation view thereof.
FIG. 4  is a side elevation view of one side thereof.
FIG. 5  is a side elevation view of the opposite side thereof.
FIG. 6  is a top plan view thereof; and,
FIG. 7  is a bottom plan view thereof.
The broken lines and unshaded areas form no part of the claimed design. The line shading on the audio input/output device is intended to depict surface contours, and does not connote any specific material, surface treatment, or texture.
 
	
	Vaclavik, Ondrej , Demin, Alexander 
	
	
	  
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