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Expired European patentEurope

Four-stroke cycle trunk piston type diesel engine

EP 0529935 B1 · Applicant: THE HANSHIN DIESEL WORKS, LTD.

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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.

Why it's free to use

  • Filed August 19, 1992 and granted May 15, 1996. A European patent lasts at most 20 years from filing, so its term ended August 19, 2012.
  • 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 February 19, 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.
FiledAugust 19, 1992
PublishedMarch 3, 1993
GrantedMay 15, 1996
Term endedAugust 19, 2012
Application numberEP 92307594
Classification (CPC)F16C5/00 +1 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedAug 19, 1992PublishedMarch 3, 1993Patent grantedMay 15, 1996Term endedAug 19, 2012

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