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Expired European patentEurope

Connecting rod made of composite material

EP 0033765 B1 · Applicant: SIGRI ELEKTROGRAPHIT GMBH

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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 13, 1980 and granted November 16, 1983. A European patent lasts at most 20 years from filing, so its term ended November 13, 2000.
  • 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 13, 2006.
  • 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 13, 1980
PublishedAugust 19, 1981
GrantedNovember 16, 1983
Term endedNovember 13, 2000
Application numberEP 80107002
Classification (CPC)F16C7/026

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedNov 13, 1980PublishedAug 19, 1981Patent grantedNov 16, 1983Term endedNov 13, 2000

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.