Patent
   D433156
Priority
Jan 08 1999
Filed
Aug 13 1999
Issued
Oct 31 2000
Expiry
Oct 31 2014
Assg.orig
Entity
unknown
20
39
n/a
The ornamental design for a step stool, as shown and described.

FIG. 1 is a perspective view of a step stool in accordance with our new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof in an opened position, with the left side elevational view being substantially similar;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a bottom plan view of a second embodiment of a step stool in accordance with our new design, with the front, rear, right side elevational, left side elevational, and top views being substantially similar to FIGS. 1-6;

FIG. 8 is a perspective view of a third embodiment of a step stool in accordance with our new design;

FIG. 9 is a front elevational view thereof;

FIG. 10 is a rear elevational view thereof;

FIG. 11 is a right side elevational view thereof in an opened position, with the left side elevational view being substantially similar;

FIG. 12 is a top plan view thereof;

FIG. 13 is a bottom plan view thereof; and,

FIG. 14 is a bottom plan view of a fourth embodiment of a step stool in accordance with our new design, with the front, rear, right side elevational, left side elevational, and top views being substantially similar to FIGS. 9-13.

Gibson, William R., Giner, Enrique R.

Patent Priority Assignee Title
7182176, May 28 2004 DOREL HOME FURNISHINGS, INC Step stool with elevated tray
7383920, Jun 27 2002 DOREL HOME FURNISHINGS, INC Step stool with movable handrail
D444574, Jan 08 1999 DOREL HOME FURNISHINGS, INC Step stool
D465289, Aug 11 2000 DOREL HOME FURNISHINGS, INC Step stool
D466225, Jan 09 2001 DOREL HOME FURNISHINGS, INC Step stool with tray
D562991, Nov 30 2006 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
D564677, Mar 02 2007 1244311 B C LTD Step stool tray
D576290, May 09 2006 DOREL HOME FURNISHINGS, INC 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
D888994, Mar 24 2020 JINHUA SHUNHE HOUSEHOLD PRODUCTS CO., LTD Ladder
D899628, Aug 09 2018 LOUISVILLE LADDER INC Ladder
D903905, Jun 25 2018 NEW-TEC INTEGRATION (XIAMEN) CO., LTD. Folding ladder
D979097, Aug 12 2020 DOREL HOME FURNISHINGS, INC Foldable step stool
ER4284,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Aug 10 1999GIBSON, WILLIAM R COSCO, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0102640399 pdf
Aug 10 1999GINER, ENRIQUE R COSCO, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0102640399 pdf
Aug 13 1999Cosco Management, Inc.(assignment on the face of the patent)
May 17 2000COSCO, INC COSCO MANAGEMENT, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0108810038 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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