Patent · US Expired

Structural component made of hard material for a wristwatch

US6746148B2 · kind B2 · utility

2Cited by

9References

20Claims

0Family size

Assignees

Montres Rado SA · CH
Comadur SA · CH

Inventors

Michael Bach · Kildeer, US
Christophe Guerry · Le Locle, CH
Olivier Bucher · Mélisey, FR

Key dates

Filing date	Aug 26, 2002
Grant date	Jun 8, 2004
Priority date	—
Expiry date	Aug 26, 2022

Classification

Technology area (CPC G)Physics
CPC primaryG04D3/0012
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

The invention concerns a structural component made of hard material for a wristwatch, characterized in that it includes a hole fitted with an inner threading which is integral with said component, said threading being directly obtained by injection and thus without removing any material of said component for example by machining.

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