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. 05, 2023
Eta SA Manufacture Horlogère Suisse, Grenchen, CH;
Julien Christan, Bienne, CH;
ETA SA MANUFACTURE HORLOGÈRE SUISSE, Grenchen, CH;
Abstract
An assembly () for attaching a free end () of an outer last coil () of a balance spring () for a horological movement, this attachment assembly () including a stud () and a blocking element (), the stud () being provided with a groove () in which the free end () of the outer last coil () of the balance spring () is engaged, the blocking element () also being engaged in the groove (), in contact with the outer last coil () of the balance spring (), the attachment assembly () further including a clamping member () which presses the blocking element () against the free end () of the outer last coil () of the balance spring (), such that the free end () of the outer last coil () of the balance spring () is immobilised in the groove () of the stud ().
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile