Ice ladder
US7819225B2 · kind B2 · utility
3Cited by
23References
14Claims
0Family size
Inventor
Key dates
| Filing date | Aug 20, 2007 |
| Grant date | Oct 26, 2010 |
| Priority date | — |
| Expiry date | Apr 6, 2029 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C7/188
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
An ice ladder has a climbing ladder mounted to an adjustable frame, with the adjustable frame including a securing apparatus mounting on a desired surface, especially an opening in an ice covered body of water. The ice ladder has an adjustable frame or member, a locking bar, and a climbing ladder releasably secured to the locking bar. The adjustable member is secured to the locking bar.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.