The slit shown in broken lines in 
 
                 Patent Grant
 Patent Grant
                     D641791
 D641791
                    
    
    
    
    
    
    
    
    
    
    
    
    
The slit shown in broken lines in 
| Number | Name | Date | Kind | 
|---|---|---|---|
| D164567 | Gosselin | Sep 1951 | S | 
| 4486975 | Harreld et al. | Dec 1984 | A | 
| D310690 | Walsh | Sep 1990 | S | 
| D315980 | Bradley | Apr 1991 | S | 
| D339380 | Scapillato | Sep 1993 | S | 
| D339609 | Martin et al. | Sep 1993 | S | 
| D347658 | Scapillato | Jun 1994 | S | 
| 5433025 | Borghese | Jul 1995 | A | 
| D414212 | Palardis | Sep 1999 | S | 
| D429285 | Schini | Aug 2000 | S | 
| D449653 | Curry | Oct 2001 | S | 
| D495749 | Van Veen et al. | Sep 2004 | S | 
| D511795 | Hopkins | Nov 2005 | S | 
| D512811 | Luciano et al. | Dec 2005 | S | 
| D515280 | Luciano et al. | Feb 2006 | S | 
| D515281 | Luciano et al. | Feb 2006 | S | 
| 7530876 | Wimberly | May 2009 | B1 | 
| D596377 | Butler | Jul 2009 | S |