Patent
   D351476
Priority
May 22 1992
Filed
Nov 17 1992
Issued
Oct 11 1994
Expiry
Oct 11 2008
Assg.orig
Entity
unknown
19
10
n/a
The ornamental design for a step ladder, as shown and described.

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

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a elevational view taken from the right side thereof, a view taken from the left side being a mirror image thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

Grosfillex, Raymond

Patent Priority Assignee Title
5641034, Apr 19 1995 Rubbermaid Incorporated Step stool having integral side storage compartments
6347687, Sep 16 1999 PT INDAL ALUMINUM INDUSTRY TBK Compact collapsible step ladder
D367967, Apr 19 1995 Rubbermaid Incorporated Step stool
D467667, Oct 06 1999 PT INDAL ALUMINUM INDUSTRY TBK Portion of step ladder
D639080, Jan 13 2011 Kikkerland Design, Inc. Foldable stool
D644032, Jun 18 2010 Foldable stool
D685147, Jul 30 2012 Combined platform and litter box
D789107, Nov 06 2015 SOLUTIONS ALTIPLATO INC Step stool
D802312, Apr 22 2016 Stool
D825942, Mar 04 2016 In-cabinet step stool
D923950, Sep 13 2019 Elbee Pty Ltd Step stool
D923991, Sep 13 2019 Elbee Pty Ltd Tread for a step
D924577, Sep 13 2019 Elbee Pty Ltd Step stool
D925934, Feb 20 2020 Elbee Pty Ltd Step stool
D934583, Feb 20 2020 Elbee Pty Ltd Step stool
D935207, Aug 21 2017 WERNER CO One-step work platform
D942789, Feb 20 2020 Elbee Pty Ltd Tread for a step
D955124, Jun 10 2021 SHENZHEN CONGLIDA TECHNOLOGY CO., LTD. Stepstool
D969911, Sep 28 2020 Rack
Patent Priority Assignee Title
1933602,
2666210,
4753320, Apr 22 1987 Convertable step stool
198679,
212086,
D273919, Feb 02 1982 Step stool, or similar article
D297790, Feb 10 1986 Multi-purpose foot stool
D307800, Dec 22 1988 Rubbermaid Incorporated Step stool
D330462, Aug 24 1988 Rubbermaid Commercial Products Inc. Two-step step stool
D335966, Feb 22 1990 COSCO MANAGEMENT, INC Step stool
//
Executed onAssignorAssigneeConveyanceFrameReelDoc
Nov 17 1992Grosfillex Sarl(assignment on the face of the patent)
Dec 17 1992GROSFILLEX, RAYMONDSarl, GrosfillexASSIGNMENT OF ASSIGNORS INTEREST 0063700656 pdf
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