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						 Patent  
						   D255533  
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						 Priority  
						May 17 1978 
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						 Filed 
						May 17 1978  
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						 Issued 
						Jun 24 1980 
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						 Expiry 
						Jun 24 1994 
					   
					   						
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						 Assg.orig 
						
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						 Entity 
						unknown 
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					    7 
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			  The ornamental design for a popcorn maker, as shown and described.  
			  
			  
			  
			  
			 
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FIG. 1 is a perspective view of a popcorn maker showing our new design;
FIG. 2 is a front elevational view; and
FIG. 3 is a top plan view thereof.
	
	Bowen, Robert F., Teich, Wesley W., Lange, Alfred C.
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 4299160,  | 
	 Jan 28 1980 | 
	 Bangor Plastics, Inc. | 
	 Corn popper | 
	 
    
	 | 4823683,  | 
	 Feb 09 1988 | 
	 PACKAGING CORPORATION OF AMERICA, A DE CORP  | 
	 Popcorn popper | 
	 
    
	 | 5397879,  | 
	 Nov 17 1993 | 
	 NATIONAL PRESTO INDUSTRIES, INC  | 
	 Microwave corn popper device and method | 
	 
    
	 | 5695673,  | 
	 Nov 17 1993 | 
	 National Presto Industries, Inc. | 
	 Microwave cooking device including susceptor retainer and method | 
	 
    
	 | D311847,  | 
	 Feb 09 1988 | 
	 Packaging Corporation of America | 
	 Popcorn receptacle for use primarily in a microwave oven | 
	 
    
	 | D360102,  | 
	 Nov 17 1993 | 
	 NATIONAL PRESTO INDUSTRIES, INC  | 
	 Microwave corn popper device | 
	 
    
	 | D512598,  | 
	 Apr 06 2004 | 
	  | 
	 Popcorn popper | 
	 
	
	
	
	  
 	  	 | Patent | 
	  	 Priority | 
	  	 Assignee | 
	  	 Title | 
	  
	      
	 | 152284,  | 
	  | 
	  | 
	  | 
	 
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  
	  | May 17 1978 |  | Raytheon Company | (assignment on the face of the patent) |  | / | 
    
    
    
	
	
	
	  
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