Step stool

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Description

FIG. 1 is a perspective view of one embodiment of a step stool showing my new design, the embodiment having an inset solid panel on each side thereof and an upper surface with a series of spaced, upwardly projecting, grip enhancing treads;

FIG. 2 is a front elevational view of the invention illustrated in FIG. 1, with the back elevational view being identical to the front elevational view depicted in FIG. 2;

FIG. 3 is a left elevational view of the invention illustrated in FIG. 1, with the right elevational view being identical to the left elevational view depicted in FIG. 3;

FIG. 4 is a top plan view of the invention illustrated in FIG. 1;

FIG. 5 is an enlarged perspective view of the top surface of invention illustrated in FIG. 1 particularly showing the treads thereon; and,

FIG. 6 is an enlarged perspective view of the corner of one of the legs of the invention illustrated in FIG. 1.

Claims

The ornamental design for a step stool, as shown and described.

Referenced Cited
U.S. Patent Documents
D184390 February 1959 Cramer
3559761 February 1971 Wehner
3599750 August 1971 Serwer
3721315 March 1973 Wehner
D335966 June 1, 1993 Schwartzkopf et al.
D337211 July 13, 1993 Bergkvist
D354210 January 10, 1995 Dickinson et al.
D359863 July 4, 1995 Marlor
D524069 July 4, 2006 Lim
D553370 October 23, 2007 Meyers et al.
D566977 April 22, 2008 Emge
D570125 June 3, 2008 Gonzalez
D582168 December 9, 2008 Sandel
Patent History
Patent number: D609927
Type: Grant
Filed: Apr 30, 2009
Date of Patent: Feb 16, 2010
Assignee: Miller Manufacturing Company, Inc. (Eagan, MN)
Inventor: Kenneth C. Floer (Chaska, MN)
Primary Examiner: Sandra Snapp
Attorney: James W. Miller
Application Number: 29/336,299
Classifications
Current U.S. Class: D6/350