Timepiece movement
US10809665B2 · kind B2 · utility
1Cited by
3References
9Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 4, 2018 |
| Grant date | Oct 20, 2020 |
| Priority date | — |
| Expiry date | Jan 25, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04B19/247
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A timepiece movement includes a date indicator for date display, a date indicator driving wheel for advancing the date indicator, a lunar age indicator for lunar age display, and a lunar age indicator driving wheel for rotating the lunar age indicator. The date indicator and the lunar age indicator are coaxially disposed, and the date indicator driving wheel and the lunar age indicator driving wheel are coaxially disposed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.