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						 Patent  
						   D569491  
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						 Priority  
						Jul 02 2007 
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						 Filed 
						Jul 02 2007  
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						 Issued 
						May 20 2008 
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						 Expiry 
						May 20 2022 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
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			  The ornamental design for an interconnecting muffle, as shown and described. 
			  
			  
			  
			  
			 
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The article is an interconnecting muffle for holding materials in a high temperature environment.
FIG. 1 is a front view of the interconnecting muffle embodying my new design;
FIG. 2 is a back view thereof;
FIG. 3 is a side view thereof, the opposite side being a mirror image;
FIG. 4 is a top view thereof, the opposite side being a mirror image; and
FIG. 5 is a perspective view thereof.
FIG. 6 is a front view of another embodiment of the interconnecting muffle;
FIG. 7 is a back view thereof; and,
FIG. 8 is a perspective view thereof.
	
	DeForte, Robert L.
	
	
	  
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