Step stool
Latest Cosco Management, Inc. Patents:
Description
The phantom lines shown in
Claims
The ornamental design for a step stool, as shown and described.
Referenced Cited
U.S. Patent Documents
3099398 | July 1963 | Lionel |
4212090 | July 15, 1980 | Ehrlich |
D265026 | June 22, 1982 | Macho et al. |
D271256 | November 8, 1983 | McClelland |
D276861 | December 25, 1984 | Keddie |
D346704 | May 10, 1994 | Grosfillex |
D347527 | June 7, 1994 | Breen et al. |
D355828 | February 28, 1995 | Dickinson et al. |
D357361 | April 18, 1995 | Karten et al. |
D358283 | May 16, 1995 | Kelly |
D367967 | March 19, 1996 | Calmeise et al. |
D376909 | December 31, 1996 | Dickinson et al. |
D454437 | March 19, 2002 | Minneman et al. |
D500243 | December 28, 2004 | Turek |
Patent History
Patent number: D558473
Type: Grant
Filed: Jan 10, 2007
Date of Patent: Jan 1, 2008
Assignee: Cosco Management, Inc. (Wilmington, DE)
Inventor: Andrew Mendenhall (Mooresville, IN)
Primary Examiner: Sandra Snapp
Attorney: Barnes & Thornburg LLP
Application Number: 29/275,957
Type: Grant
Filed: Jan 10, 2007
Date of Patent: Jan 1, 2008
Assignee: Cosco Management, Inc. (Wilmington, DE)
Inventor: Andrew Mendenhall (Mooresville, IN)
Primary Examiner: Sandra Snapp
Attorney: Barnes & Thornburg LLP
Application Number: 29/275,957
Classifications
Current U.S. Class:
D6/349