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Expired European patentEurope

Cooling system for condensing the exhaust steam of steam turbine plants, particularly of power plants

EP 0342005 B1 · Applicant: Energiagazdálkodási Részvénytársaság

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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 May 10, 1989 and granted August 11, 1993. A European patent lasts at most 20 years from filing, so its term ended May 10, 2009.
  • 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 10, 2014.
  • 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 10, 1989
PublishedNovember 15, 1989
GrantedAugust 11, 1993
Term endedMay 10, 2009
Application numberEP 89304727
Classification (CPC)F28C1/14 +2 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedMay 10, 1989PublishedNov 15, 1989Patent grantedAug 11, 1993Term endedMay 10, 2009

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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