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Expired European patentEurope

A method for assembling chimney with mineral aggregate frame to a residential building and a chimney

EP 1597448 B1 · Applicant: Markkanen, Jukka

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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 February 28, 2003 and granted June 24, 2009. A European patent lasts at most 20 years from filing, so its term ended February 28, 2023.
  • 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.
FiledFebruary 28, 2003
PublishedNovember 23, 2005
GrantedJune 24, 2009
Term endedFebruary 28, 2023
Application numberEP 03709843
Classification (CPC)F23L11/005 +2 more

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedFeb 28, 2003PublishedNov 23, 2005Patent grantedJune 24, 2009Term endedFeb 28, 2023

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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