Multi-purpose ladder attachment
US4311210A · kind A · utility
10Cited by
9References
6Claims
0Family size
Inventor
Key dates
| Filing date | Oct 9, 1980 |
| Grant date | Jan 19, 1982 |
| Priority date | — |
| Expiry date | Oct 9, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/44
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A multi-purpose attachment for ladders enhances the safety and convenience of a ladder. A basic attachment unit is adjustable along ladder side rails and can be locked in any selected position. The basic unit contains fittings which allow the ready attachment and locking of gutter, roof and ladder side rail attachment components all held securely by set screws.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.