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Expired European patentEurope

Monitoring manipulator for pressure vessels to be opened at the top

EP 0155375 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 December 10, 1984 and granted April 20, 1988. A European patent lasts at most 20 years from filing, so its term ended December 10, 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 June 10, 2010.
  • 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.
FiledDecember 10, 1984
PublishedSeptember 25, 1985
GrantedApril 20, 1988
Term endedDecember 10, 2004
Application numberEP 84115086
Classification (CPC)G21C17/01

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedDec 10, 1984PublishedSep 25, 1985Patent grantedApril 20, 1988Term endedDec 10, 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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