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Expired European patentEurope

Fitting

EP 0123021 B1 · Applicant: Deutsche Babcock Werke Aktiengesellschaft

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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 January 27, 1984 and granted September 7, 1988. A European patent lasts at most 20 years from filing, so its term ended January 27, 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 July 27, 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.
FiledJanuary 27, 1984
PublishedOctober 31, 1984
GrantedSeptember 7, 1988
Term endedJanuary 27, 2004
Application numberEP 84100849
Classification (CPC)F16K31/048

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJan 27, 1984PublishedOct 31, 1984Patent grantedSep 7, 1988Term endedJan 27, 2004

Sources & verification