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Expired European patentEurope

Device and method for preparation of a control solution for ketone determination

EP 0051209 B1 · Applicant: MILES LABORATORIES, INC.

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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 21, 1981 and granted January 16, 1985. A European patent lasts at most 20 years from filing, so its term ended October 21, 2001.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by April 21, 2007.
  • 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 21, 1981
PublishedMay 12, 1982
GrantedJanuary 16, 1985
Term endedOctober 21, 2001
Application numberEP 81108607
Classification (CPC)G01N33/96 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedOct 21, 1981PublishedMay 12, 1982Patent grantedJan 16, 1985Term endedOct 21, 2001

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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