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					| Patent    D559910 |  
					| Priority Apr 22 2006 |  
					| Filed Oct 20 2006 |  
					| Issued Jan 15 2008 |  
					| Expiry Jan 15 2022 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 3 |  
					 | 44 |  
					 | 
						  n/a |  
						 
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			  The ornamental design for a pen, as shown and described. | 
 
	
FIG. 1 is a front left perspective view of a pen showing our new design;
FIG. 2 is a rear right perspective view of the pen shown in FIG. 1 with the pen cap removed and placed on the opposite end of the pen;
FIG. 3 is a left side elevation view of the pen shown in FIG. 1;
FIG. 4 is a top plan view thereof;
FIG. 5 is a front elevation view thereof;
FIG. 6 is a right side elevation view thereof;
FIG. 7 is a bottom plan view thereof; and,
FIG. 8 is a rear elevation view thereof.
The stippled shading shown in FIG. 2 represents a texture on the surface of the pen.
The pen grip and tip shown in broken lines in FIG. 2 illustrates environmental matter and forms no part of the claim.
	
	Qiu, Zhiming, Tan, Junlin
	
	
	
	
	  
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