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Expired European patentEurope

Method for collecting and treating reaction gases from a production plant for molten metal and dust-removing machine therefor

EP 1664355 B1 · Applicant: Voest-Alpine Industrieanlagenbau GmbH & Co

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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 August 26, 2004 and granted March 30, 2011. A European patent lasts at most 20 years from filing, so its term ended August 26, 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.
FiledAugust 26, 2004
PublishedJune 7, 2006
GrantedMarch 30, 2011
Term endedAugust 26, 2024
Application numberEP 04764498
Classification (CPC)F27D19/00 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedAug 26, 2004PublishedJune 7, 2006Patent grantedMarch 30, 2011Term endedAug 26, 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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