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Expired European patentEurope

Chain for energy carriers

EP 0308958 B1 · Applicant: CARRIEFLEX KUNSTSTOFFTECHNIK 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 September 23, 1988 and granted December 23, 1992. A European patent lasts at most 20 years from filing, so its term ended September 23, 2008.
  • 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 March 23, 2014.
  • 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.
FiledSeptember 23, 1988
PublishedMarch 29, 1989
GrantedDecember 23, 1992
Term endedSeptember 23, 2008
Application numberEP 88115687
Classification (CPC)F16G13/06 +2 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedSep 23, 1988PublishedMarch 29, 1989Patent grantedDec 23, 1992Term endedSep 23, 2008

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.