Retroreflective articles including optically active areas and optically inactive areas
US10859738B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Sep 14, 2017 |
| Grant date | Dec 8, 2020 |
| Priority date | — |
| Expiry date | May 26, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
This disclosure generally relates to retroreflective articles and methods of making such articles.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.