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Expired European patentEurope

Method for connecting two bars which are crossing each other and device for implementing such method

EP 0144404 B1 · Applicant: RUNKEL, Adolf

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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 May 23, 1984 and granted May 6, 1987. A European patent lasts at most 20 years from filing, so its term ended May 23, 2004.
  • 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 November 23, 2009.
  • 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.
FiledMay 23, 1984
PublishedJune 19, 1985
GrantedMay 6, 1987
Term endedMay 23, 2004
Application numberEP 84902333
Classification (CPC)E04G21/122 +1 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMay 23, 1984PublishedJune 19, 1985Patent grantedMay 6, 1987Term endedMay 23, 2004

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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