Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Screen reader users: click this link for accessible mode. Accessible mode has the same essential features but works better with your reader.


  1. Advanced Patent Search
Publication numberUSD447572 S1
Publication typeGrant
Application numberUS 29/135,276
Publication dateSep 4, 2001
Filing dateJan 9, 2001
Priority dateJan 9, 2001
Publication number135276, 29135276, US D447572 S1, US D447572S1, US-S1-D447572, USD447572 S1, USD447572S1
InventorsM. Scot Rosko
Original AssigneeCosco Management, Inc.
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Step stool
US D447572 S1
Abstract  available in
Previous page
Next page
  1. The ornamental design for a step stool, as shown and described.

FIG. 1 is a perspective view of a step stool showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a right-side elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left-side elevational view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US7905184Mar 2, 2007Mar 15, 2011Eveleth Bradley RFoldable stool or table
US8146518Dec 2, 2010Apr 3, 2012Eveleth Bradley RFoldable stool or table
US8661991Apr 3, 2012Mar 4, 2014Bradley R. EvelethFoldable stool or table
US20080078309 *Mar 2, 2007Apr 3, 2008Eveleth Bradley RFoldable stool or table
US20110067608 *Dec 2, 2010Mar 24, 2011Eveleth Bradley RFoldable stool or table
USD710031Nov 15, 2012Jul 29, 2014Tricam Industries, Inc.Step stool
U.S. ClassificationD25/65