Stadium building
US4676033A · kind A · utility
34Cited by
5References
16Claims
0Family size
Inventors
Key dates
| Filing date | May 1, 1986 |
| Grant date | Jun 30, 1987 |
| Priority date | — |
| Expiry date | May 1, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04B7/166
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A retractable roof, for a stadium building, comprising a central arch separating a pair of ungular end segments, one end segment being fixed, the other end segment being movable into nesting relationship with the fixed end segment, and the central arch being movable to nest above the fixed end segment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.