Retractable stadium roof
US5167097A · kind A · utility
23Cited by
2References
11Claims
0Family size
Inventors
Key dates
| Filing date | Dec 18, 1990 |
| Grant date | Dec 1, 1992 |
| Priority date | — |
| Expiry date | Dec 18, 2010 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H3/165
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A retractable roof for a stadium, comprising a central arch separating a pair of end segments, one end segment being fixed, the central arch being movable to a position above the fixed end segment, the other end segment being movable arcuately laterally to a position transverse to its closed position and laterally external to the central arch.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.