Multi-material cover for a ladder rail end
US7000731B2 · kind B2 · utility
8Cited by
25References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 30, 2002 |
| Grant date | Feb 21, 2006 |
| Priority date | — |
| Expiry date | Feb 26, 2023 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/46
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A cover for an end of a ladder rail includes a shell and a tread. The shell comprises at least one material, whereas the tread comprises at least one other material. The shell is sized to engage the ladder rail. The tread is engaged with the shell at least partially by at least one bond, which comprises at least a portion of the shell and at least a portion of the tread.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.