Foldable, modular, removable step
US12415460B2 · kind B2 · utility
0Cited by
11References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2021 |
| Grant date | Sep 16, 2025 |
| Priority date | — |
| Expiry date | Jun 19, 2044 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C9/08
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A stowable stair assembly with step treads connected between stair stringers includes stabilizing legs positioned within a width of the treads and behind the treads. A removable hinge assembly facilitates installation of the stair assembly as well as access to the stair assembly.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.