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Expired European patentEurope

Vitrified bond grindstone and manufacturing process thereof

EP 1598147 B1 · Applicant: Disco Corporation

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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 May 19, 2005 and granted March 26, 2008. A European patent lasts at most 20 years from filing, so its term ended May 19, 2025.
  • 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.
FiledMay 19, 2005
PublishedNovember 23, 2005
GrantedMarch 26, 2008
Term endedMay 19, 2025
Application numberEP 05010907
Classification (CPC)C03C14/004 +2 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedMay 19, 2005PublishedNov 23, 2005Patent grantedMarch 26, 2008Term endedMay 19, 2025

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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