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Expired European patentEurope

Unitary stator for a stepping motor for watches

EP 0012460 B1 · Applicant: Eta A.G. Ebauches-Fabrik

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Overview

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed November 23, 1979 and granted September 21, 1983. A European patent lasts at most 20 years from filing, so its term ended November 23, 1999.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by May 23, 2005.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledNovember 23, 1979
PublishedJune 25, 1980
GrantedSeptember 21, 1983
Term endedNovember 23, 1999
Application numberEP 79200689
Classification (CPC)H02K37/16 +2 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedNov 23, 1979PublishedJune 25, 1980Patent grantedSep 21, 1983Term endedNov 23, 1999

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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