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					| Patent    D864424 |  
					| Priority Sep 07 2017 |  
					| Filed Sep 07 2017 |  
					| Issued Oct 22 2019 |  
					| Expiry Oct 22 2034 |  
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					| Assg.orig |  
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					| Entity unknown |  
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			  The ornamental design for a security barrier, as shown and described. | 
 
	
FIG. 1 is a perspective view of the security barrier showing my new design;
FIG. 2 is a front view thereof:
FIG. 3 is a top view thereof;
FIG. 4 is a left end view thereof;
FIG. 5 is a rear view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a right end view thereof;
FIG. 8 is an enlarged view of a portion of the security barrier shown in FIG. 8; and,
FIG. 9 is a front view of the security barrier shown in FIG. 8 in the direction shown by arrow 9 in FIG. 8.
	
	Filiba, Lusio
	
	
	
	
	
	
	
	
	  
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