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Expired European patentEurope

Control device for shifting step-by-step shift gears

EP 0255519 B1 · Applicant: ZF FRIEDRICHSHAFEN Aktiengesellschaft

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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 March 12, 1986 and granted March 8, 1989. A European patent lasts at most 20 years from filing, so its term ended March 12, 2006.
  • 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 September 12, 2011.
  • 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.
FiledMarch 12, 1986
PublishedFebruary 10, 1988
GrantedMarch 8, 1989
Term endedMarch 12, 2006
Application numberEP 86902365
Classification (CPC)F16H61/0213

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedMarch 12, 1986PublishedFeb 10, 1988Patent grantedMarch 8, 1989Term endedMarch 12, 2006

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.