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Expired European patentEurope

Turbocharger having bearings at the ends of its shaft and an uncooled gas conduit

EP 0116160 B1 · Applicant: BBC Brown Boveri AG

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Overview

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

Read the whole patent

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 December 21, 1983 and granted December 23, 1987. A European patent lasts at most 20 years from filing, so its term ended December 21, 2003.
  • 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 June 21, 2009.
  • 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.
FiledDecember 21, 1983
PublishedAugust 22, 1984
GrantedDecember 23, 1987
Term endedDecember 21, 2003
Application numberEP 83112867
Classification (CPC)F01D25/162 +2 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedDec 21, 1983PublishedAug 22, 1984Patent grantedDec 23, 1987Term endedDec 21, 2003

Sources & verification