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Expired European patentEurope

Method of producing solid articles of clay foam to be used as building material

EP 1048632 B1 · Applicant: Tabarelli De Fatis, Stefano

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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 April 19, 2000 and granted February 19, 2003. A European patent lasts at most 20 years from filing, so its term ended April 19, 2020.
  • 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 October 19, 2025.
  • 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.
FiledApril 19, 2000
PublishedNovember 2, 2000
GrantedFebruary 19, 2003
Term endedApril 19, 2020
Application numberEP 00830298
Classification (CPC)C04B28/26

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedApril 19, 2000PublishedNov 2, 2000Patent grantedFeb 19, 2003Term endedApril 19, 2020

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

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