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Expired European patentEurope

Plant and method for making building panels of plaster

EP 0161374 B1 · Applicant: JOST AG

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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.

Why it's free to use

  • Filed May 15, 1984 and granted January 2, 1991. A European patent lasts at most 20 years from filing, so its term ended May 15, 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 15, 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 15, 1984
PublishedNovember 21, 1985
GrantedJanuary 2, 1991
Term endedMay 15, 2004
Application numberEP 84810236
Classification (CPC)B28B13/04 +2 more

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedMay 15, 1984PublishedNov 21, 1985Patent grantedJan 2, 1991Term endedMay 15, 2004

Sources & verification