The environmental structure shown in broken lines forms no part of the claimed design.
 
                 Patent Grant
 Patent Grant
                     D561869
 D561869
                    
    
    
    
    
    
    
    
The environmental structure shown in broken lines forms no part of the claimed design.
| Number | Name | Date | Kind | 
|---|---|---|---|
| D156337 | Hammer | Dec 1949 | S | 
| 3259333 | Hull | Jul 1966 | A | 
| 3836092 | Hull | Sep 1974 | A | 
| D290987 | Robbins et al. | Jul 1987 | S | 
| D314603 | Jackson et al. | Feb 1991 | S | 
| D404109 | Zwayer et al. | Jan 1999 | S | 
| 5988548 | Chapman et al. | Nov 1999 | A | 
| 6138935 | Zwayer et al. | Oct 2000 | A | 
| D443333 | Gibson | Jun 2001 | S | 
| D459430 | Burke | Jun 2002 | S | 
| D460994 | Burke | Jul 2002 | S | 
| D482753 | Burke | Nov 2003 | S | 
| D491998 | Burke | Jun 2004 | S | 
| Number | Date | Country | |
|---|---|---|---|
| Parent | 29226086 | Mar 2005 | US | 
| Child | 29256780 | US |