Low-profile raised retroreflective pavement marker
US4035059A · kind A · utility
31Cited by
4References
8Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 13, 1975 |
| Grant date | Jul 12, 1977 |
| Priority date | — |
| Expiry date | Jun 13, 1995 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE01F9/573
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A low-profile raised retroreflective pavement marker that resists loosening and removal from a paved surface comprises a flat dead-soft base sheet and at least one elastically deformable retroreflector attached to one face of the base sheet so as to extend above the base sheet no more than about one centimeter.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.