Portable form for lining irrigation ditches
US4557633A · kind A · utility
7Cited by
9References
10Claims
0Family size
Inventor
Key dates
| Filing date | Aug 1, 1983 |
| Grant date | Dec 10, 1985 |
| Priority date | — |
| Expiry date | Aug 1, 2003 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B5/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A movable form for lining irrigation ditches with concrete and simultaneously installing wire mesh into approximately the center of the wet concrete being poured.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.