Trench filler
US6139223A · kind A · utility
Inventor
Key dates
| Filing date | Nov 20, 1998 |
| Grant date | Oct 31, 2000 |
| Priority date | — |
| Expiry date | Nov 20, 2018 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE02F5/223
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A trench filler having a generally synclinal front section having a solid top and generally downwardly extending sidewalls, a rear section of unitary construction with the front section, the rear section having a solid top and generally downwardly extending sidewalls that are generally longitudinally parallel to each other, and integral running skids beneath the sidewalls that extend forwardly beyond the front section and having upwardly curled ends wherein dirt located beside a trench is gathered by the front section and released through the rear section back into the trench without substantially disturbing the turf located about the trench.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.