Step stool
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Description
Claims
The ornamental design for a step stool, as shown and described.
Referenced Cited
U.S. Patent Documents
4258827 | March 31, 1981 | Klose |
4276955 | July 7, 1981 | Hickman |
6550579 | April 22, 2003 | Gibson |
D706455 | June 3, 2014 | Buchanan |
9869125 | January 16, 2018 | Simpson |
20050029050 | February 10, 2005 | Baumgartner |
20050252721 | November 17, 2005 | Parker |
Patent History
Patent number: D838386
Type: Grant
Filed: Jun 19, 2017
Date of Patent: Jan 15, 2019
Assignee: Werner Co. (Greenville, PA)
Inventor: Stephen Woodward (Meadville, PA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/608,055
Type: Grant
Filed: Jun 19, 2017
Date of Patent: Jan 15, 2019
Assignee: Werner Co. (Greenville, PA)
Inventor: Stephen Woodward (Meadville, PA)
Primary Examiner: Cynthia Ramirez
Assistant Examiner: Gino Colan
Application Number: 29/608,055
Classifications
Current U.S. Class:
Ladder (D25/64)