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Expired European patentEurope

Compressor and turbochargers

EP 0240091 B1 · Applicant: AlliedSignal Inc.

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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 May 17, 1984 and granted July 17, 1991. A European patent lasts at most 20 years from filing, so its term ended May 17, 2004.
  • 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 17, 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.
FiledMay 17, 1984
PublishedOctober 7, 1987
GrantedJuly 17, 1991
Term endedMay 17, 2004
Application numberEP 87200703
Classification (CPC)F01D25/24 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMay 17, 1984PublishedOct 7, 1987Patent grantedJuly 17, 1991Term endedMay 17, 2004

Sources & verification