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:
Nov. 26, 2024
Filed:
Nov. 05, 2019
Applicant:
Nivarox-far S.a., Le Locle, CH;
Inventors:
Marco Verardo, Les Bois, CH;
Christian Charbon, Chezard-St-Martin, CH;
Assignee:
NIVAROX-FAR S.A., Le Locle, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 17/06 (2006.01);
U.S. Cl.
CPC ...
G04B 17/063 (2013.01); G04B 17/066 (2013.01);
Abstract
A balance spring () intended to be fitted to a timepiece balance having fixed inertia, the balance spring () being formed of a core () having lateral faces () connecting an upper face () to a lower face (), the balance spring () including on one of the lateral faces () in one portion of the outer coil (), a coating formed of one or more layers, the coating including two layers with a first electrically conductive layer () coated with a second outer layer () made of a ceramic, or a combined layer (), made of an electrically conductive ceramic. Also a method of manufacturing this balance spring.