Retroreflective article comprising embedded reflective layers
US11493674B2 · kind B2 · utility
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58References
20Claims
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Key dates
| Filing date | Oct 25, 2018 |
| Grant date | Nov 8, 2022 |
| Priority date | — |
| Expiry date | Dec 7, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA41D31/325
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A retroreflective article including a binder layer and a plurality of retroreflective elements. Each retroreflective element includes a transparent microsphere partially embedded in the binder layer. At least some of the retroreflective elements include a reflective layer that is embedded between the transparent microsphere and the binder layer. At least some of the embedded reflective layers are localized reflective layers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.