Timepiece comprising an external element provided with a zirconia portion
US12399463B2 · kind B2 · utility
0Cited by
2References
20Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 18, 2022 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Oct 26, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/32
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Provided is a timepiece including, in addition to a crystal, the following external elements: a back (2), a middle part (1), a dial (3), and two bracelet strands (30), at least one of these external elements includes a body formed of a first portion made of a first opaque material and of a second portion made of a second partially transparent or translucent material. The first material being integral with the second material and the timepiece also includes at least one light source (10) producing light which passes through the second portion made of a partially transparent or translucent ceramic material comprising zirconia.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.