Roadway for high performance rapid transit railways
US3930451A · kind A · utility
4Cited by
6References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 9, 1973 |
| Grant date | Jan 6, 1976 |
| Priority date | — |
| Expiry date | Aug 9, 1993 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S505/907
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A roadway for rapid transit railways comprises concrete or reinforced concrete piers supporting an all steel support or suspension structure for the support and/or suspension as well as guiding of the vehicles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.