Sound barrier for highway and other traffic
US4358090A · kind A · utility
18Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jan 22, 1980 |
| Grant date | Nov 9, 1982 |
| Priority date | — |
| Expiry date | Jan 22, 2000 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F15/085
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A combined road and sound barrier has its upper and lower portions formed as hollow profiles filled with synthetic resin foam.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.