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:
Dec. 25, 2012
Filed:
Aug. 16, 2010
Applicants:
Jean-pierre Mignot, Areuse, CH;
Jean-jacques Born, Morges, CH;
Inventors:
Jean-Pierre Mignot, Areuse, CH;
Jean-Jacques Born, Morges, CH;
Assignee:
The Swatch Group Research and Development Ltd, Marin, CH;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G04B 43/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The device for protecting a timepiece balance spring () from stray magnetic fields includes at least one disc () with high magnetic permeability, arranged in a parallel plane to the plane of the balance spring, wherein the disc () and the balance spring are mounted coaxially with each other.