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Expired European patentEurope

Fitting for the reinforcement of a pipe connection

EP 0952379 B1 · Applicant: Waterworks Technology Development Organization Co., Ltd.

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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 4, 1998 and granted February 11, 2004. A European patent lasts at most 20 years from filing, so its term ended November 4, 2018.
  • 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 4, 2024.
  • 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 4, 1998
PublishedOctober 27, 1999
GrantedFebruary 11, 2004
Term endedNovember 4, 2018
Application numberEP 98120946
Classification (CPC)F16L27/12751

Timeline

Timeline From EPO dates

1999200120032005200720092011201320152017Application filedNov 4, 1998PublishedOct 27, 1999Patent grantedFeb 11, 2004Term endedNov 4, 2018

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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