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Publication numberUSD444574 S1
Publication typeGrant
Application numberUS 29/114,188
Publication dateJul 3, 2001
Filing dateNov 19, 1999
Priority dateJan 8, 1999
Publication number114188, 29114188, US D444574 S1, US D444574S1, US-S1-D444574, USD444574 S1, USD444574S1
InventorsWilliam R. Gibson, Enrique R. Giner
Original AssigneeCosco Management, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Step stool
US D444574 S1
Abstract  available in
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  1. The ornamental design for a step stool, as shown and described.

FIG. 1 is a perspective view of a step stool according to our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right-side elevational view thereof, with the left-side elevational view being substantially similar thereto;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a bottom view thereof.

Non-Patent Citations
1"Cosco 1995 Home Furnishings": Catalog, pp. 3-5.
2Cosco Home Furnishings 1996: Catalog, pp. 17, 18, and 23-25.
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7182176 *May 28, 2004Feb 27, 2007Cosco Management, Inc.Step stool with elevated tray
US7383920Jun 27, 2002Jun 10, 2008Cosco Management, Inc.Step stool with movable handrail
US8490747 *Jun 30, 2006Jul 23, 2013Werner Co.Telescoping project tray
U.S. ClassificationD25/65