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Expired European patentEurope

Method and device for rapidly ascertaining the parameters of a sample medium

EP 0175352 B1 · Applicant: SIEMENS AKTIENGESELLSCHAFT

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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 September 17, 1985 and granted June 12, 1991. A European patent lasts at most 20 years from filing, so its term ended September 17, 2005.
  • 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 March 17, 2011.
  • 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.
FiledSeptember 17, 1985
PublishedMarch 26, 1986
GrantedJune 12, 1991
Term endedSeptember 17, 2005
Application numberEP 85111761
Classification (CPC)G01N21/64 +2 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedSep 17, 1985PublishedMarch 26, 1986Patent grantedJune 12, 1991Term endedSep 17, 2005

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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