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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.
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 on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Nov 17 1992 | Grosfillex Sarl | (assignment on the face of the patent) | / | |||
Dec 17 1992 | GROSFILLEX, RAYMOND | Sarl, Grosfillex | ASSIGNMENT OF ASSIGNORS INTEREST | 006370 | /0656 |
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