Ladder adaptable platform
US5337857A · kind A · utility
25Cited by
4References
8Claims
0Family size
Inventors
Key dates
| Filing date | Jul 27, 1993 |
| Grant date | Aug 16, 1994 |
| Priority date | — |
| Expiry date | Jul 27, 2013 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/165
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The present invention comprises a platform for an aluminum extension ladder which platform is adjustable upwardly and downwardly, and is pivotable between a pair of side frames, to permit a user's foot a comfortable support, in addition to the ladder rung to which it is attached.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.