Road-marking system
US6789915B2 · kind B2 · utility
16Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 29, 2001 |
| Grant date | Sep 14, 2004 |
| Priority date | — |
| Expiry date | Jun 20, 2022 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F9/559
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A road-marking system comprising at least a first (1) and a second road-marking unit (2) each having an emission surface (10; 20), the first unit comprising a first light source (21, 21′ . . . ) and the second unit comprising a second light source (22, 22′ . . . ). Each unit has a shape adapted to a saw-cut recess (9) accommodating the unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.