Method For Manufacturing A Hairspring With A Predetermined Stiffness By Localised Removal Of Material - EP3181940

The patent EP3181940 was granted to Csem Centre Suisse Delectronique ET DE Microtechnique Recherche ET Dveloppement on Jul 5, 2023. The application was originally filed on Dec 18, 2015 under application number EP15201341A. The patent is currently recorded with a legal status of "Patent Maintained As Amended".

EP3181940

CSEM CENTRE SUISSE DELECTRONIQUE ET DE MICROTECHNIQUE RECHERCHE ET DVELOPPEMENT
Application Number
EP15201341A
Filing Date
Dec 18, 2015
Status
Patent Maintained As Amended
Jun 2, 2023
Grant Date
Jul 5, 2023
External Links
Slate, Register, Google Patents

Patent Summary

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Patent Family

Patent Oppositions (2)

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RICHEMONTNov 6, 2019GRUNECKER PATENT -
SIGATECNov 6, 2019BOVARD -

Patent Citations (44) New

Patent citations refer to prior patents cited during different phases such as opposition or international search.

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Non-Patent Literature (NPL) Citations (3) New

NPL citations refer to non-patent references such as research papers, articles, or other publications cited during examination or opposition phases.

Citation PhaseReference TextLink
OPPOSITION- Bulletin de la S.M.F, (19300000), pages 150 - 174-
OPPOSITION- MICHEL VERMONT et al., "Presses polytechniques et universitaires romandes", Traité de construction horlogère, (20110000), ISBN 978-2-88074-883-8, page 178 ; 179, XP055648547-
OPPOSITION- "Procédé de réglage de montres au point d'attache par sélection des balanciers et spiraux", Société Suisse de Chronométrie,, (19660514), pages 321 - 323, XP055648555-

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Dossier Documents

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