Culvert system with flexible toe wall
US11268256B2 · kind B2 · utility
1Cited by
10References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2020 |
| Grant date | Mar 8, 2022 |
| Priority date | — |
| Expiry date | Aug 25, 2040 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02D17/202
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A culvert system includes a flexible toe wall that connects to and extends down from the bottom of the culvert. The flexible toe wall is capable of readily conforming to various shapes of the trench conditions provided to receive the toe wall, before or as the trench is backfilled.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.