Retroreflecting sheet having printed layer
US6568817B1 · kind B1 · utility
18Cited by
10References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 10, 2001 |
| Grant date | May 27, 2003 |
| Priority date | — |
| Expiry date | Feb 1, 2022 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB42D2035/14
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Retroreflective sheeting comprising at least a reflective element layer made up of a large number of reflective elements and a holding body layer and a surface protective layer provided on the reflective element layer, wherein a printed layer is provided on the lateral faces of the reflective elements or between the holding body layer and the surface protective layer or on the surface protective layer, the printed layer being formed of a discrete repetitive pattern of unit patterns, and the unit patterns each having an area of 0.15 mm2 to 30 mm2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.