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Expired European patentEurope

Brazed plate heat exchanger

EP 0527875 B1 · Applicant: ALFA-LAVAL THERMAL AB

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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 March 21, 1991 and granted December 28, 1994. A European patent lasts at most 20 years from filing, so its term ended March 21, 2011.
  • 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 September 21, 2016.
  • 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.
FiledMarch 21, 1991
PublishedFebruary 24, 1993
GrantedDecember 28, 1994
Term endedMarch 21, 2011
Application numberEP 91909336
Classification (CPC)F28D9/005 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedMarch 21, 1991PublishedFeb 24, 1993Patent grantedDec 28, 1994Term endedMarch 21, 2011

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.