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					| Patent    D853519 |  
					| Priority Sep 14 2017 |  
					| Filed Sep 14 2017 |  
					| Issued Jul 09 2019 |  
					| Expiry Jul 09 2034 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 3 |  
					 | 33 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a piston for driving water out a disrupter, as shown and described. | 
 
	
FIG. 1 is a perspective view of the piston for driving water out a disrupter showing the side and the top;
FIG. 2 is another perspective view of the piston for driving water out a disrupter showing the side and the bottom;
FIG. 3 is a view of the side of the piston for driving water out a disrupter all sides having the same view because the piston is circular;
FIG. 4 is a view of the bottom of the piston for driving water out a disrupter; and,
FIG. 5 is a view of the top of the piston for driving water out a disrupter.
	
	Langner, F. Richard
	
	
	
	
	  
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