Pavement marking article and method of producing
US6412957B1 · kind B1 · utility
19Cited by
3References
15Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Mar 20, 2000 |
| Grant date | Jul 2, 2002 |
| Priority date | — |
| Expiry date | Mar 20, 2020 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F9/524
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The pavement marking article comprises a substrate, a plurality of protrusions provided on the surface of the substrate, and first transparent microspheres having a refractive index of not less than 2.0 fixed at least on the surface of the substrate between adjacent protrusions.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.