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Expired European patentEurope

Ion specific analytical element

EP 0041175 B1 · Applicant: MILES INC.

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Overview

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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 25, 1981 and granted November 21, 1985. A European patent lasts at most 20 years from filing, so its term ended May 25, 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 November 25, 2006.
  • 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 25, 1981
PublishedDecember 9, 1981
GrantedNovember 21, 1985
Term endedMay 25, 2001
Application numberEP 81103793
Classification (CPC)G01N33/84 +1 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedMay 25, 1981PublishedDec 9, 1981Patent grantedNov 21, 1985Term endedMay 25, 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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