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Expired European patentEurope

Method for the production of aluminum-containing honeycomb bodies with the aid of radiant heaters

EP 1677938 B1 · Applicant: Emitec Gesellschaft für Emissionstechnologie mbH

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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 September 17, 2004 and granted January 23, 2008. A European patent lasts at most 20 years from filing, so its term ended September 17, 2024.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • 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.
FiledSeptember 17, 2004
PublishedJuly 12, 2006
GrantedJanuary 23, 2008
Term endedSeptember 17, 2024
Application numberEP 04765346
Classification (CPC)B23K1/0053 +1 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedSep 17, 2004PublishedJuly 12, 2006Patent grantedJan 23, 2008Term endedSep 17, 2024

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

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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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