Patent · US Active

Mainspring

US8348496B2 · kind B2 · utility

5Cited by

11References

8Claims

0Family size

Assignee

ROLEX SA · CH

Inventors

Dominique Gritti · Neuchâtel, CH
Thomas Gyger · Le Fuet, CH
Vincent Von Niederhäusern · Delémont, CH

Key dates

Filing date	Jun 8, 2009
Grant date	Jan 8, 2013
Priority date	—
Expiry date	Jul 12, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG04B1/145
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

Mainspring for a mechanism driven by a motor spring, especially for a timepiece, formed from a ribbon of metallic glass material. This ribbon is monolithic and has a thickness of greater than 50 μm.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.