ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,474,674, issued on Nov. 18, was assigned to NIVAROX-FAR S.A. (Le Locle, Switzerland).
"Method for manufacturing a silicon balance spring" was invented by Marco Verardo (Les Bois, Switzerland) and Pierre Cusin (Villars-Burquin, Switzerland).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for manufacturing a silicon timepiece component (1) with a functional external profile."
The patent was filed on May 15, 2023, under Application No. 18/197,302.
*For further information, including images, charts and tables, please visit: http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO2&Sect2=HITOFF&p=1&u=%2Fnetahtml%2FPTO%2Fsearch-bool.html&r=1&f=G&l=50&co1=...