Patent
   D447817
Priority
Aug 11 2000
Filed
Aug 11 2000
Issued
Sep 11 2001
Expiry
Sep 11 2015
Assg.orig
Entity
unknown
13
16
n/a
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, with the left-side elevational view being a mirror image thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Rosko, Michael Scot

Patent Priority Assignee Title
D458385, Jan 09 2001 DOREL HOME FURNISHINGS, INC Step stool
D564674, Jan 12 2007 1244311 B C LTD Step stool
D564675, Jan 12 2007 1244311 B C LTD Step stool
D564676, Mar 02 2007 1244311 B C LTD Step stool with tray
D565745, Jun 09 2006 DOREL HOME FURNISHINGS, INC Step stool
D620132, Dec 28 2009 Guangzhou Hansheng Trade Development Co., Ltd.; GUANGZHOU HANSHENG TRADE DEVELOPMENT CO , LTD Ladder
D710031, Nov 15 2012 TRICAM INDUSTRIES, INC Step stool
D855833, Jan 04 2017 TRICAM INDUSTRIES, INC Ladder rail
D860476, Jan 04 2017 TRICAM INDUSTRIES, INC Hinge for a multi-position ladder
D912277, Aug 06 2020 Ladder
D967460, Feb 09 2021 Formosa Saint Jose Corp. Multi function tire climber step
ER1344,
ER3863,
Patent Priority Assignee Title
4502564, Apr 06 1982 Stepladder
5503245, Sep 16 1994 WERNER TECHNOLOGIES, INC Step ladder
5722507, Jan 11 1996 DOREL HOME FURNISHINGS, INC Step stool assembly
5762163, Aug 22 1996 COSCO MANAGEMENT, INC Step stool
5937968, Aug 13 1998 DOREL HOME FURNISHINGS, INC Step stool
6000497, Jan 09 1997 COSCO MANAGEMENT, INC Detachable tray for step stool
6026933, May 29 1997 DOREL HOME FURNISHINGS, INC Step stool
6039149, Sep 25 1997 COSCO MANAGEMENT, INC Collapsible step stool with step movement guide system
189419,
236244,
D387878, Feb 18 1997 Irthi Inc. Stepladder
D388882, Jan 11 1996 COSCO MANAGEMENT, INC Combined work ladder and platform
D410550, Mar 20 1998 TRICAM INDUSTRIES, INC Project ladder
D411888, May 29 1997 DOREL HOME FURNISHINGS, INC Step stool
D414566, Aug 13 1998 DOREL HOME FURNISHINGS, INC Folding step stool
D414879, Mar 20 1998 TRICAM INDUSTRIES, INC 3-step ladder
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 11 2000Cosco Management, Inc.(assignment on the face of the patent)
Oct 17 2000ROSKO, M SCOTCOSCO MANAGEMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0112430243 pdf
Nov 25 2014COSCO MANAGEMENT, INC AMERIWOOD INDUSTRIES, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0344850130 pdf
Sep 12 2016AMERIWOOD INDUSTRIES, INC DOREL HOME FURNISHINGS, INC CHANGE OF NAME SEE DOCUMENT FOR DETAILS 0401470673 pdf
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