Metal, ceramic, or ceramic-coated transaction card with window or window pattern and optional backlighting
US11232341B2 · kind B2 · utility
1Cited by
65References
76Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2018 |
| Grant date | Jan 25, 2022 |
| Priority date | — |
| Expiry date | Sep 26, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06Q20/352
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A transaction card includes at least one metal layer having one or more apertures therein. A light guide is disposed beneath the metal layer. The light guide has a light output and a light input. The light output is positioned to transmit light through at least the one or more apertures of the metal layer. At least one LED is positioned to transmit light into the light guide light input.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.