|
The ornamental design for a step stool, as shown and described. |
FIG. 1 is a front elevational view of a step stool showing our new design;
FIG. 2 is a top plan view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a left side elevational view, the right side being a mirror image thereof;
FIG. 6 is a cross-sectional view of the tread surfaces of FIG. 2 thereof;
FIG. 7 is a top plan view, of a second embodiment, the difference being in the removal of the diagonal tread strips on each step thereof;
FIG. 8 is a bottom plan view, the difference being in the removal of the rib structure under each step thereof; and,
FIG. 9 is a perspecitve view of the first embodiment of FIGS. 1-5.
Schwartzkopf, Robert A., Ruggles, Roy L.
Patent | Priority | Assignee | Title |
10952537, | Mar 09 2017 | THE GOLD KIDS TRUST | Step stool with anti-microbial protection |
11779789, | Feb 15 2019 | AVUS DESIGN, INC ; Coulter Ventures, LLC | Plyometric box |
5641034, | Apr 19 1995 | Rubbermaid Incorporated | Step stool having integral side storage compartments |
8136885, | Mar 04 2008 | Method and apparatus for providing rest for the feet of children with special needs | |
8661991, | Aug 16 2005 | Foldable stool or table | |
9307879, | Jan 10 2012 | FAGRE ENTERPRISES, LLC | Body positioning systems |
D347527, | Jun 15 1992 | Rubbermaid Incorporated | Step stool with storage compartment |
D351476, | May 22 1992 | Sarl, Grosfillex | Step ladder |
D354210, | Dec 09 1993 | Continental Commercial Products, LLC | Two-step tool box |
D355828, | Nov 22 1993 | Continental Commercial Products, LLC | Single-step tool box |
D361216, | Jul 23 1993 | Rubbermaid Incorporated | Portable workbench |
D361899, | Jan 13 1994 | Rubbermaid Incorporated | Stool |
D367967, | Apr 19 1995 | Rubbermaid Incorporated | Step stool |
D376909, | Dec 27 1995 | Continental Commercial Products, LLC | Tool box |
D429038, | Jun 23 1999 | Stepup, LLC | Pet step stool |
D524562, | Apr 15 2004 | Shower stool | |
D553370, | Dec 20 2005 | DOREL HOME FURNISHINGS, INC | Step stool |
D564674, | Jan 12 2007 | GSC TECHNOLOGIES INC | Step stool |
D564675, | Jan 12 2007 | GSC TECHNOLOGIES INC | Step stool |
D564676, | Mar 02 2007 | GSC TECHNOLOGIES INC | Step stool with tray |
D609927, | Apr 30 2009 | Miller Manufacturing Company | Step stool |
D685147, | Jul 30 2012 | Combined platform and litter box | |
D710031, | Nov 15 2012 | TRICAM INDUSTRIES, INC | Step stool |
D811784, | Sep 18 2015 | Stackable workbench | |
D855833, | Jan 04 2017 | TRICAM INDUSTRIES, INC | Ladder rail |
D860476, | Jan 04 2017 | TRICAM INDUSTRIES, INC | Hinge for a multi-position ladder |
D865386, | Oct 26 2018 | ILOVE, INC. | 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 |
D944903, | Feb 15 2019 | Coulter Ventures, LLC. | Plyometric box |
D955124, | Jun 10 2021 | SHENZHEN CONGLIDA TECHNOLOGY CO., LTD. | Stepstool |
ER501, | |||
ER6183, | |||
ER8761, |
Patent | Priority | Assignee | Title |
4458963, | Aug 27 1982 | Hempe Manufacturing Co. | Tool caddy stool |
181793, | |||
194399, | |||
198679, | |||
D276861, | Aug 27 1982 | Hempe Manufacturing Company, Inc. | Combined tool caddy and stool |
D288719, | Sep 12 1984 | Marine boarding stepladder | |
D297790, | Feb 10 1986 | Multi-purpose foot stool | |
D307800, | Dec 22 1988 | Rubbermaid Incorporated | Step stool |
D320702, | Aug 27 1987 | Endurequest Corporation | Step stool |
47686, |
Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Feb 12 1990 | RUGGLES, ROY L | COSCO, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005256 | /0329 | |
Feb 14 1990 | SCHWARTZKOPF, ROBERT A | COSCO, INC | ASSIGNMENT OF ASSIGNORS INTEREST | 005256 | /0329 | |
Feb 22 1990 | Cosco, Inc. | (assignment on the face of the patent) | / | |||
Jun 01 1998 | COSCO, INC | COSCO MANAGEMENT, INC | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010263 | /0474 | |
Jun 01 1998 | COSCO, INC | COSCO MANAGEMENT, INC | RE-RECORD TO CORRECT PATENT NUMBER 4456303 PREVIOUSLY RECORDED AT REEL 010263, FRAME 0474 | 010814 | /0495 |
Date | Maintenance Fee Events |
Date | Maintenance Schedule |