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					| Patent    D615977 |  
					| Priority Aug 19 2008 |  
					| Filed Jan 30 2009 |  
					| Issued May 18 2010 |  
					| Expiry May 18 2024 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 13 |  
					 | 15 |  
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						  n/a |  
						 
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			  The ornamental design for a keyboard, as shown and described. | 
 
	
FIG. 1 is a front, top, right perspective view of a keyboard showing our new design;
FIG. 2 is a rear, bottom left perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof;
FIG. 6 is a right side elevational view thereof;
FIG. 7 is a top plan view thereof; and,
FIG. 8 is a bottom plan view thereof.
The broken lines illustrate unclaimed portions of the keyboard and form no part of the claimed design.
	
	Sogabe, Takashi, Imaeda, Yuya
	
	
	  
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