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Expired European patentEurope

In situ method of renewing pipes laid in the ground

EP 0758437 B1 · Applicant: Töpler, Werner

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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 February 23, 1996 and granted June 2, 1999. A European patent lasts at most 20 years from filing, so its term ended February 23, 2016.
  • 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 August 23, 2021.
  • 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.
FiledFebruary 23, 1996
PublishedFebruary 19, 1997
GrantedJune 2, 1999
Term endedFebruary 23, 2016
Application numberEP 96905785
Classification (CPC)F16L55/1658

Timeline

Timeline From EPO dates

1997199920012003200520072009201120132015Application filedFeb 23, 1996PublishedFeb 19, 1997Patent grantedJune 2, 1999Term endedFeb 23, 2016

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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