Modular trench drain system
US6612780B2 · kind B2 · utility
34Cited by
17References
31Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 15, 2001 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Nov 15, 2021 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE03F2005/066
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A modular trench drainage system for placement in a trench of a natural surface or pavement. The system includes a base conduit, a grate cover pivotably secured to the base conduit for covering the base member, a coupling mechanism for pivotably securing the grate cover to the base conduit, an alignment mechanism for aligning the grate cover with respect to the base conduit when the grate cover is placed in a closed position over the base conduit, and a locking mechanism for locking the grate cover to the base conduit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.