Foldable step stool with leg lock and handle
US6454050B2 · kind B2 · utility
45Cited by
25References
24Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 17, 2001 |
| Grant date | Sep 24, 2002 |
| Priority date | — |
| Expiry date | Apr 17, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A step stool includes a foldable frame having a front leg and a rear leg movable relative to the front leg and a carrying handle supported for pivotable movement on one of the legs about a pivot axis. A retainer member is coupled to the handle to move with the handle about the pivot axis to lock the front leg to the rear leg.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.