Chronograph watch
US8002459B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Oct 22, 2008 |
| Grant date | Aug 23, 2011 |
| Priority date | — |
| Expiry date | Jan 29, 2030 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG04F7/0866
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A chronograph watch fitted with a going train including:a permanent seconds wheel set secured to a permanent seconds display member,a chronograph seconds wheel set cooperating with a coupling in order to be secured to a chronograph seconds display member, and a third wheel set including a first third wheel fixedly mounted in rotation, meshed either with the permanent seconds wheel set, or with the chronograph seconds wheel set, a second third wheel mounted to move freely, meshed with the permanent seconds wheel set and with the chronograph seconds wheel set.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.