|  
			 				  
					| PTO
                  Wrapper
						
						PDF |    
				  | Dossier
                
						Espace
						Google |  
				  |  |  
					| Patent    D798457 |  
					| Priority Feb 04 2015 |  
					| Filed Jul 08 2015 |  
					| Issued Sep 26 2017 |  
					| Expiry Sep 26 2032 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 0 |  
					 | 10 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a color key, as shown and described. | 
 
	
FIG. 1 is a perspective front view of a color key, showing our new design
FIG. 2 is a front view thereof.
FIG. 3 is a rear view thereof.
FIG. 4 is a right side view thereof.
FIG. 5 is a left side view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines shown in the figures are included for the purpose of illustrating portions of the color key and form no part of the claimed design.
	
	Bertagnolli, Martin, Ferilli, Antonio, Müller, Frank, Ruess, Wolfgang, Doblander, Thomas
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	  
	
	
	
	  
 	  	 | Patent | Priority | Assignee | Title | 
	      
	 | 1244994, |  |  |  | 
    
	 | 1518608, |  |  |  | 
    
	 | 4207678, | Sep 26 1977 |  | Multiple dental shade guide system | 
    
	 | 825578, |  |  |  | 
    
	 | 854486, |  |  |  | 
    
	 | 20090233253, |  |  |  | 
    
	 | 115948, |  |  |  | 
    
	 | D667556, | Oct 28 2009 | KURARAY NORITAKE DENTAL INC | Shade guide holder for dental restoratives | 
    
	 | D733890, | Jun 20 2013 | Ivoclar Vivadent AG | Shade guide | 
    
	 | D737982, | May 31 2012 | KURARAY NORITAKE DENTAL INC. | Shade guide | 
	
	
	
	
	
	  
	  	 | Date | Maintenance Fee Events | 
	  n/a
	
	
	
	  
	  	 | Date | Maintenance Schedule | 
	  n/a