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. 12, 2026
Filed:
Oct. 26, 2023
Applicant:
Montres Breguet S.a., L'Abbaye, CH;
Inventors:
Christophe Riedo, Le Lieu, CH;
Jean-Philippe Rochat, Les Bioux, CH;
Assignee:
Montres Breguet S.A., L'Abbaye, CH;
Primary Examiner:
Int. Cl.
CPC ...
G04B 19/257 (2006.01);
U.S. Cl.
CPC ...
G04B 19/2573 (2013.01);
Abstract
A leap-year display mechanism for a horological movement with a perpetual calendar display including a drive element connected to a month wheel set rotated by one step per month, a transmission star intended to be attached to a structure of the horological movement, arranged along the stroke of the drive element so as to be rotated thereby when the month wheel set completes one full revolution, a leap-year display connected to the transmission star via a reduction gear train so that with each revolution of the month wheel set, the leap-year display is rotated by one step.