Observation stand
US4134474A · kind A · utility
47Cited by
5References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 31, 1978 |
| Grant date | Jan 16, 1979 |
| Priority date | — |
| Expiry date | Jan 31, 1998 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE06C1/39
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A portable observation stand for mounting on trees having a wide range of diameters. The stand includes a frame, which is detachably secured to a selected tree, and an articulated ladder which may be retained in a climbing position, for entry by an outdoorsman, and in a base position to provide support for a floor during use. A U-shaped rail may be mounted on the frame, and a shroud which encloses the stand may be secured to the rail.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.