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Expired European patentEurope

Internal combustion engine block having a cylinder liner shunt flow cooling system and method of cooling same

EP 0685031 B1 · Applicant: DETROIT DIESEL CORPORATION

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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 24, 1993 and granted December 15, 1999. A European patent lasts at most 20 years from filing, so its term ended May 24, 2013.
  • 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 24, 2018.
  • 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 24, 1993
PublishedDecember 6, 1995
GrantedDecember 15, 1999
Term endedMay 24, 2013
Application numberEP 93914081
Classification (CPC)F02F1/14

Timeline

Timeline From EPO dates

1994199619982000200220042006200820102012Application filedMay 24, 1993PublishedDec 6, 1995Patent grantedDec 15, 1999Term endedMay 24, 2013

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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