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Expired European patentEurope

Production method for high-air-tightness plastic chuck and high-air-tightness plastic chuck

EP 1685773 B1 · Applicant: Kasai, Juichi

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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 November 11, 2004 and granted September 10, 2008. A European patent lasts at most 20 years from filing, so its term ended November 11, 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.
FiledNovember 11, 2004
PublishedAugust 2, 2006
GrantedSeptember 10, 2008
Term endedNovember 11, 2024
Application numberEP 04818860
Classification (CPC)B29C65/72 +2 more

Timeline

Timeline From EPO dates

2005200720092011201320152017201920212023Application filedNov 11, 2004PublishedAug 2, 2006Patent grantedSep 10, 2008Term endedNov 11, 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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