Method For Manufacturing Timepiece Hairsprings

Patent No. EP3845770 (titled "Method For Manufacturing Timepiece Hairsprings") was filed by Sigatec on Aug 21, 2020. The application was issued on Jun 28, 2023.

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Patent Oppositions (3)

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EP3845770

SIGATEC
Application Number
EP20192120A
Filing Date
Aug 21, 2020
Status
Granted And Under Opposition
May 26, 2023
Publication Date
Jun 28, 2023