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Expired European patentEurope

Method and arrangement for analysing the size distribution of particles in a fluid production stream

EP 0403034 B1 · Applicant: Salzgitter Anlagenbau Zweigniederlassung der Preussag Anlagenbau GmbH

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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 15, 1990 and granted February 22, 1995. A European patent lasts at most 20 years from filing, so its term ended February 15, 2010.
  • 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 15, 2015.
  • 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 15, 1990
PublishedDecember 19, 1990
GrantedFebruary 22, 1995
Term endedFebruary 15, 2010
Application numberEP 90250052
Classification (CPC)G01N15/02

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedFeb 15, 1990PublishedDec 19, 1990Patent grantedFeb 22, 1995Term endedFeb 15, 2010

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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