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Expired European patentEurope

Flow immunosensor method and apparatus

EP 0517757 B1 · Applicant: THE GOVERNMENT OF THE UNITED STATES OF AMERICA, as represented by THE SECRETARY OF THE NAVY

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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 February 21, 1991 and granted May 26, 1999. A European patent lasts at most 20 years from filing, so its term ended February 21, 2011.
  • 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 August 21, 2016.
  • 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.
FiledFebruary 21, 1991
PublishedDecember 16, 1992
GrantedMay 26, 1999
Term endedFebruary 21, 2011
Application numberEP 91904965
Classification (CPC)G01N33/53 +2 more

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedFeb 21, 1991PublishedDec 16, 1992Patent grantedMay 26, 1999Term endedFeb 21, 2011

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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