Composite supporting structure
US4367612A · kind A · utility
10Cited by
6References
1Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 14, 1980 |
| Grant date | Jan 11, 1983 |
| Priority date | — |
| Expiry date | Apr 14, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04H3/123
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Apparatus is provided for supporting structures employing a free-standing column of angular cross-section having flanges of substantially equal length and an included angle between the flanges of between about 80.degree. and 45.degree.. A specific embodiment employs the column in combination in a telescoping grandstand structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.