Mini arched bridge
US4839935A · kind A · utility
7Cited by
12References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 13, 1987 |
| Grant date | Jun 20, 1989 |
| Priority date | — |
| Expiry date | Jul 13, 2007 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01D2101/30
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A mini arched bridge is provided with at leat two hollow pans having integral depending sides and ends forming a unitary structure, each side and end of the pans having comparable holes, a plurality of fasteners passing through the holes in adjacent ends of said at least two pans whereby said pans become a single arched member and placing the ends remote from the connection into the earth on opposite sides of the arc to be bridged.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.