Ladders, ladder components, ladder accessories, ladder systems and related methods
US8997930B2 · kind B2 · utility
12Cited by
25References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 5, 2010 |
| Grant date | Apr 7, 2015 |
| Priority date | — |
| Expiry date | Sep 30, 2031 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04G2001/307
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Various embodiments of ladders, ladder components, accessories for ladders, ladder systems and related methods are provided. In one embodiment a ladder and platform system is provided having at least two ladders and a platform or plank. The platform or plank has coupling mechanisms that provide adjustable but secure coupling of the platform to the ladders, either with the top cap or with the rungs. Other embodiments include storage devices and paint trays for use with ladders and ladder systems incorporating such devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.