The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 14, 2024
Filed:
Jul. 29, 2022
Applicant:
Rolex SA, Geneva, CH;
Inventor:
Vannina Linck, Saint-Julien-en-Genevois, FR;
Assignee:
ROLEX SA, Geneva, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 1/16 (2006.01); G04B 13/02 (2006.01); G04B 15/14 (2006.01); G04B 17/06 (2006.01); G04B 17/34 (2006.01); G04B 31/06 (2006.01);
U.S. Cl.
CPC ...
G04B 1/16 (2013.01); G04B 13/02 (2013.01); G04B 13/022 (2013.01); G04B 15/14 (2013.01); G04B 17/063 (2013.01); G04B 17/34 (2013.01); G04B 31/06 (2013.01);
Abstract
The method of manufacturing a timepiece shaft () includes grinding a ceramic piece, especially to form a balance shaft (), having a functional portion () including at least one part () of a pivot-shank () and/or at least one part () of a pivot (), the first functional portion being made of ceramic and a first outer diameter (D) of the first functional portion being less than 0.5 mm, or less than 0.4 mm, or less than 0.2 mm, or less than 0.1 mm.