Vertically-adjustable rail-engaging wheels
The broken lines illustrating environmental structure are for illustrative purposes only and form no part of the claimed design.
Claims
The ornamental design for “vertically-adjustable rail-engaging wheels”, as shown and described.
D185718 | July 1959 | Patton |
3075603 | January 1963 | Baudhuin |
3269331 | August 1966 | Thompson |
D251901 | May 22, 1979 | O'Lear |
D263942 | April 20, 1982 | Francis |
4375892 | March 8, 1983 | Jenkins et al. |
4386880 | June 7, 1983 | Schimmeyer |
4534297 | August 13, 1985 | Johnson, Sr. |
4828452 | May 9, 1989 | Bolitho |
D312059 | November 13, 1990 | Styles |
5006031 | April 9, 1991 | Fossing et al. |
5145307 | September 8, 1992 | Smethwick et al. |
D382278 | August 12, 1997 | Jantz |
5800114 | September 1, 1998 | Secondi |
6193086 | February 27, 2001 | Gunnlaugsson et al. |
D456583 | April 30, 2002 | Schmidt |
D466135 | November 26, 2002 | Spomer et al. |
20030172837 | September 18, 2003 | Whiston et al. |
Type: Grant
Filed: Feb 13, 2007
Date of Patent: Nov 6, 2007
Inventor: David E. Bush (Gary, TX)
Primary Examiner: Stella M. Reid
Assistant Examiner: Mark Goodwin
Attorney: John M. Harrison
Application Number: 29/272,617