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					| Patent    D663846 |  
					| Priority Nov 02 2009 |  
					| Filed Apr 09 2010 |  
					| Issued Jul 17 2012 |  
					| Expiry Jul 17 2026 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 24 |  
					 | 13 |  
					 | 
						  n/a |  
						 
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			  The ornamental design for a hearing aid, as shown and described. | 
 
	
FIG. 1 is a front view of the hearing aid showing our new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof, the right side view being a mirror image thereof;
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
	
	Ingold, Andreas, Grutzner, Philipp, Margot, Roland, Schild, Wilfried, Tronza, Mario
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | D674094, | Dec 09 2011 | Panasonic Corporation | Hearing aid | 
    
	 | D676556, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676557, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676558, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676559, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676967, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676968, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D676969, | Mar 31 2011 | GN RESOUND A S | Hearing aid | 
    
	 | D685912, | Jul 01 2011 | WIDEX A S | Hearing aid part | 
    
	 | D698027, | Nov 12 2012 | OTICON A S | Assistive listening device | 
    
	 | D705936, | Mar 02 2012 | OTICON A S | Behind-the ear (BTE) hearing aid | 
    
	 | D762305, | Sep 24 2014 | Phonak AG | Hearing aid | 
    
	 | D775737, | Jan 16 2015 | GN RESOUND A S | Hearing aid | 
    
	 | D776282, | Jan 16 2015 | GN RESOUND A S | Hearing aid | 
    
	 | D797939, | Sep 16 2015 | OTICON A S | Hearing aid BTE | 
    
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	 | D801536, | Jul 12 2016 |  | Hearing aid | 
    
	 | D804034, | Sep 24 2014 | Sonova AG | Hearing aid | 
    
	 | D804035, | Sep 24 2014 | Sonova AG | Hearing aid | 
    
	 | D844146, | Mar 09 2017 | Sonova AG | Hearing aid | 
    
	 | D845487, | Feb 05 2018 |  | Hearing aid | 
    
	 | D861634, | Dec 18 2017 |  | Bluetooth headset | 
    
	 | ER5171, |  |  |  | 
    
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