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Expired European patentEurope

Turbomachine

EP 0016819 B1 · Applicant: Cummins Engine Company, Inc.

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 August 24, 1979 and granted February 15, 1984. A European patent lasts at most 20 years from filing, so its term ended August 24, 1999.
  • 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 24, 2005.
  • 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 24, 1979
PublishedFebruary 15, 1984
GrantedFebruary 15, 1984
Term endedAugust 24, 1999
Application numberEP 79901172
Classification (CPC)F01D5/043 +1 more

Timeline

Timeline From EPO dates

1980198219841986198819901992199419961998Application filedAug 24, 1979PublishedFeb 15, 1984Patent grantedFeb 15, 1984Term endedAug 24, 1999

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.