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Expired European patentEurope

Chemical-liquid injection speed control method and device for cartridge-type electric injector for dental application

EP 1859827 B1 · Applicant: Showa Yakuhin Kako 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 October 31, 2005 and granted February 20, 2013. A European patent lasts at most 20 years from filing, so its term ended October 31, 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.
FiledOctober 31, 2005
PublishedNovember 28, 2007
GrantedFebruary 20, 2013
Term endedOctober 31, 2025
Application numberEP 05800390
Classification (CPC)A61C19/08 +1 more

Timeline

Timeline From EPO dates

2006200820102012201420162018202020222024Application filedOct 31, 2005PublishedNov 28, 2007Patent grantedFeb 20, 2013Term endedOct 31, 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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