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Expired European patentEurope

Heat transfer sheet, radiation structure and method for using heat transfer sheet

EP 1865552 B1 · Applicant: TOYO TANSO CO., LTD.

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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 March 13, 2006 and granted June 15, 2022. A European patent lasts at most 20 years from filing, so its term ended March 13, 2026.
  • 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.
FiledMarch 13, 2006
PublishedDecember 12, 2007
GrantedJune 15, 2022
Term endedMarch 13, 2026
Application numberEP 06715588
Classification (CPC)C01B32/225 +1 more

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedMarch 13, 2006PublishedDec 12, 2007Patent grantedJune 15, 2022Term endedMarch 13, 2026

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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