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Expired European patentEurope

Arrangement on a rotating machine providing a thermal mobile and sealed coupling between two concentric axes

EP 0156032 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 December 21, 1984 and granted October 28, 1987. A European patent lasts at most 20 years from filing, so its term ended December 21, 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 21, 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 21, 1984
PublishedOctober 2, 1985
GrantedOctober 28, 1987
Term endedDecember 21, 2004
Application numberEP 84116147
Classification (CPC)H02K55/04

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedDec 21, 1984PublishedOct 2, 1985Patent grantedOct 28, 1987Term endedDec 21, 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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