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Expired European patentEurope

Motor with turning ram jets

EP 0300979 B1 · Applicant: Cristaldi, Filippo

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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 June 23, 1988 and granted December 1, 1993. A European patent lasts at most 20 years from filing, so its term ended June 23, 2008.
  • 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 December 23, 2013.
  • 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.
FiledJune 23, 1988
PublishedJanuary 25, 1989
GrantedDecember 1, 1993
Term endedJune 23, 2008
Application numberEP 88830269
Classification (CPC)F02K7/005

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedJune 23, 1988PublishedJan 25, 1989Patent grantedDec 1, 1993Term endedJune 23, 2008

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.