|  
			 				  
					| PTO
                  Wrapper
						
						PDF |    
				  | Dossier
                
						Espace
						Google |  
				  |  |  
					| Patent    D255206 |  
					| Priority Nov 24 1977 |  
					| Filed May 09 1978 |  
					| Issued Jun 03 1980 |  
					| Expiry Jun 03 1994 |  
					|  |  
					| Assg.orig |  
					|  |  
					| Entity unknown |  
					 | 5 |  
					 | 4 |  
					 | 
						  n/a |  
						 
    |  |  | 
			  
			  The ornamental design for a preparation bowl, as shown. | 
 
	
FIG. 1 is a front elevational view of my design for a preparation bowl;
FIG. 2 is a left side elevational view thereof;
FIG. 3 is a right side elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.
	
	Darnell, Arne P.
	
	
	
	
	
	
	  
	  	 | Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc | 
	  | May 09 1978 |  | Perstorp AB | (assignment on the face of the patent) | / |  | 
    
| Feb 25 1987 | Perstorp AB | Hammarplast AB | ASSIGNMENT OF ASSIGNORS INTEREST | 004758/ | 0784 | pdf | 
    
	
	
	
	  
	  	 | Date | Maintenance Fee Events | 
	  n/a
	
	
	
	  
	  	 | Date | Maintenance Schedule | 
	  n/a