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					| Patent    D257271 |  
					| Priority May 08 1978 |  
					| Filed May 08 1978 |  
					| Issued Oct 07 1980 |  
					| Expiry Oct 07 1994 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 23 |  
					 | 5 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a joint element for construction set, as shown. | 
 
	
FIG. 1 is a top perspective view of a joint element for construction set
showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a front elevational view thereof; and,
FIG. 5 is a rear elevational view thereof.
	
	Gabriel, Richard J.
	
	
	  
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	 | ER2536, |  |  |  | 
    
	 | ER2573, |  |  |  | 
	
	
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | Jan 01 1900 | MATRIX TOYS, LTD , BY: TOY MANAGEMENT SYSTEMS, INC , GENERAL PARTNERS | BUSINESS BANKING CORP , | SECURITY INTEREST  SEE DOCUMENT FOR DETAILS | 004305/ | 0629 | pdf | 
    
| May 08 1978 |  | Matrix Toys, Inc. | (assignment on the face of the patent) | / |  | 
    
| Nov 15 1982 | MATRIX TOYS, INC  AN OR CORP | MATRIX TOYS, LTD , AN OR LIMITED PARTNERSHIP | ASSIGNMENT OF ASSIGNORS INTEREST  EFFECTIVE OCT  18, 1982 | 004079/ | 0723 | pdf | 
    
	
	
	
	  
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