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					| Patent    D850948 |  
					| Priority Apr 19 2017 |  
					| Filed Oct 19 2017 |  
					| Issued Jun 11 2019 |  
					| Expiry Jun 11 2034 |  
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					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 8 |  
					 | 4 |  
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			  The ornamental design for a ruler, as shown and described. | 
 
	
FIG. 1 is front view of a ruler, showing my design;
FIG. 2 is a rear view showing my design;
FIG. 3 is a left view showing my design;
FIG. 4 is a right side view showing my design;
FIG. 5 is a top side view showing my design;
FIG. 6 is a bottom plan view showing my design; and,
FIG. 7 is a reference view thereof that the rule can be stretched.
	
	Zhan, Jinqiang
	
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 6553683, | Mar 03 2000 |  | Method and apparatus for generating a template | 
    
	 | 7302763, | Dec 05 2005 |  | Adjustable jig for use when installing bargeboards | 
    
	 | 7469485, | May 10 2007 |  | Apparatus for replicating quadrilateral shapes | 
    
	 | D432928, | Nov 05 1999 |  | Combined ruler, level and adjustable angle square | 
	
	
	
	  
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