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					| Patent    D656223 |  
					| Priority Feb 01 2008 |  
					| Filed Jul 31 2008 |  
					| Issued Mar 20 2012 |  
					| Expiry Mar 20 2026 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 35 |  
					 | 6 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  
			  
			  
			  We claim the ornamental design for a plumbing hub, as shown and described. | 
 
	
FIG. 1 shows a top front perspective view of a plumbing hub.
FIG. 2 shows a top, rear perspective view of the plumbing hub.
FIG. 3 shows a front elevation view of the plumbing hub.
FIG. 4 shows a side elevational view of the plumbing hub; and,
FIG. 5 shows a top elevation view of the plumbing hub.
The broken lines represent unclaimed portions unclaimed portions of the plumbing hub and form no part of the claimed design.
	
	Cronje, Louis, Reinecke, Pieter Albertus, Cronje, Johannes
	
	
	  
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