Formed corrugated plastic net for drainage applications
US4749306A · kind A · utility
31Cited by
7References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 5, 1986 |
| Grant date | Jun 7, 1988 |
| Priority date | — |
| Expiry date | Sep 5, 2006 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02B11/00
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Corrugated net thermoformed in a variety of differently shaped upstanding projections disposed on opposing surfaces of the netting to provide flow channels for draining ground water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.