Patent
   D455842
Priority
Jan 09 2001
Filed
Jan 09 2001
Issued
Apr 16 2002
Expiry
Apr 16 2016

TERM.DISCL.
Assg.orig
Entity
unknown
17
15
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;

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.

Rosko, M. Scot

Patent Priority Assignee Title
D563685, Apr 24 2007 Adams Mfg. Corp. 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
D576291, May 03 2007 WERNER CO Step stool
D586000, May 03 2007 WERNER CO Step stool
D665927, Sep 06 2011 CORE DISTRIBUTION, INC Metal and wood step 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
D930292, Aug 25 2019 Litter box stand
D979097, Aug 12 2020 DOREL HOME FURNISHINGS, INC Foldable step stool
ER1344,
ER3122,
ER3863,
ER8617,
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
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
D447572, Jan 09 2001 DOREL HOME FURNISHINGS, INC Step stool
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 09 2001Cosco Management, Inc.(assignment on the face of the patent)
Apr 05 2001ROSKO, SCOT M COSCO MANAGEMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0117990891 pdf
Apr 30 2001ROSKO, M SCOTTCOSCO MANAGEMENT, INC CORRECTIVE TO CORRECT THE EXECUTION DATE0121110888 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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