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Expired European patentEurope

Reheating system for a steam-turbine power plant

EP 0032641 B1 · Applicant: HAMON-SOBELCO S.A.

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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 January 18, 1980 and granted September 10, 1986. A European patent lasts at most 20 years from filing, so its term ended January 18, 2000.
  • 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 July 18, 2005.
  • 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.
FiledJanuary 18, 1980
PublishedJuly 29, 1981
GrantedSeptember 10, 1986
Term endedJanuary 18, 2000
Application numberEP 80400077
Classification (CPC)F01K7/40

Timeline

Timeline From EPO dates

1981198319851987198919911993199519971999Application filedJan 18, 1980PublishedJuly 29, 1981Patent grantedSep 10, 1986Term endedJan 18, 2000

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.