Patent · US Active

Chronograph watch

US8002459B2 · kind B2 · utility

0Cited by
4References
5Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 22, 2008
Grant dateAug 23, 2011
Priority date
Expiry dateJan 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.