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Expired European patentEurope

Assembly comprising a header of a main heat exchanger and a second heat exchanger

EP 0473475 B1 · Applicant: VALEO THERMIQUE MOTEUR

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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 July 25, 1991 and granted December 14, 1994. A European patent lasts at most 20 years from filing, so its term ended July 25, 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 January 25, 2017.
  • 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.
FiledJuly 25, 1991
PublishedMarch 4, 1992
GrantedDecember 14, 1994
Term endedJuly 25, 2011
Application numberEP 91402077
Classification (CPC)F28F9/0246 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedJuly 25, 1991PublishedMarch 4, 1992Patent grantedDec 14, 1994Term endedJuly 25, 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.