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Expired European patentEurope

Method for elimination of interference of selected cell populations in analytic cytology

EP 0132064 B1 · Applicant: Becton, Dickinson and Company

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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 June 26, 1984 and granted March 13, 1991. A European patent lasts at most 20 years from filing, so its term ended June 26, 2004.
  • 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 December 26, 2009.
  • 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.
FiledJune 26, 1984
PublishedJanuary 23, 1985
GrantedMarch 13, 1991
Term endedJune 26, 2004
Application numberEP 84304311
Classification (CPC)G01N33/56972

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJune 26, 1984PublishedJan 23, 1985Patent grantedMarch 13, 1991Term endedJune 26, 2004

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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