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Expired European patentEurope

Blank and intermediate body for the production of a dental prosthesis and method for the production thereof

EP 1663052 B1 · Applicant: Sirona Dental Systems GmbH

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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 13, 2004 and granted November 13, 2013. A European patent lasts at most 20 years from filing, so its term ended September 13, 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 13, 2004
PublishedJune 7, 2006
GrantedNovember 13, 2013
Term endedSeptember 13, 2024
Application numberEP 04766773
Classification (CPC)B22F3/26 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedSep 13, 2004PublishedJune 7, 2006Patent grantedNov 13, 2013Term endedSep 13, 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

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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