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:
Jul. 19, 2022
Filed:
Dec. 05, 2018
Applicant:
Nivarox-far S.a., Le Locle, CH;
Inventors:
Jonas Vannod, Bienne, CH;
Christian Charbon, Chezard-St-Martin, CH;
Assignee:
Nivarox-FAR S.A., Le Locle, CH;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G04B 1/14 (2006.01); G04B 1/18 (2006.01); B33Y 80/00 (2015.01); F16F 1/12 (2006.01); B33Y 10/00 (2015.01); F16F 1/10 (2006.01);
U.S. Cl.
CPC ...
G04B 1/145 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F16F 1/121 (2013.01); G04B 1/14 (2013.01); G04B 1/18 (2013.01); F16F 1/10 (2013.01); F16F 2226/00 (2013.01);
Abstract
A mainspring includes a spiral metal strip and a hooking area formed in an inner face of an inner end of the strip, the hooking area including at least one shaped portion and at least one cavity in the inner face of the inner end.