The broken lines show portions of the pipe splitting tool and base which form no part of the claimed design. The line shading merely represents surface shading and is not intended to depict a particular color, texture or tone.
The broken lines show portions of the pipe splitting tool and base which form no part of the claimed design. The line shading merely represents surface shading and is not intended to depict a particular color, texture or tone.
Number | Name | Date | Kind |
---|---|---|---|
2912757 | Knight | Nov 1959 | A |
3043004 | Walter | Jul 1962 | A |
3180383 | Nudell | Apr 1965 | A |
4732222 | Schmidt | Mar 1988 | A |
4959903 | Daoust | Oct 1990 | A |
5173009 | Moriarty | Dec 1992 | A |
5876152 | Hesse | Mar 1999 | A |
D415937 | Robinson | Nov 1999 | S |
D505056 | Tarpill | May 2005 | S |
7086155 | Chan | Aug 2006 | B2 |
D663004 | Isringhausen | Jul 2012 | S |
8292545 | Tjader | Oct 2012 | B2 |
8523489 | Putnam | Sep 2013 | B1 |