Step Stool
Latest Adams Mfg. Corp. Patents:
Description
Claims
The ornamental design for a step stool, as shown and described.
Referenced Cited
U.S. Patent Documents
1667406 | April 1928 | Wilkinson et al. |
3592143 | July 1971 | Krone |
D238320 | January 1976 | Smith |
4290502 | September 22, 1981 | Anderson |
D270590 | September 20, 1983 | Berlic |
4813742 | March 21, 1989 | Cardinael |
D322386 | December 17, 1991 | Ginther et al. |
D347738 | June 14, 1994 | Woodward et al. |
D365693 | January 2, 1996 | Jones |
D376923 | December 31, 1996 | Jones |
D447572 | September 4, 2001 | Rosko |
D455842 | April 16, 2002 | Rosko |
D458385 | June 4, 2002 | Rosko |
D460566 | July 16, 2002 | Henschel et al. |
Patent History
Patent number: D563685
Type: Grant
Filed: Apr 24, 2007
Date of Patent: Mar 11, 2008
Assignee: Adams Mfg. Corp. (Portersville, PA)
Inventors: William E. Adams (Portersville, PA), Matthew H. French (Slippery Rock, PA), Matthew W. Goodworth (Pittsburgh, PA), Robert Schreiber (Prospect, PA)
Primary Examiner: Sandra Snapp
Attorney: Buchanan Ingersoll & Rooney PC
Application Number: 29/286,106
Type: Grant
Filed: Apr 24, 2007
Date of Patent: Mar 11, 2008
Assignee: Adams Mfg. Corp. (Portersville, PA)
Inventors: William E. Adams (Portersville, PA), Matthew H. French (Slippery Rock, PA), Matthew W. Goodworth (Pittsburgh, PA), Robert Schreiber (Prospect, PA)
Primary Examiner: Sandra Snapp
Attorney: Buchanan Ingersoll & Rooney PC
Application Number: 29/286,106
Classifications
Current U.S. Class:
D6/350