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Expired European patentEurope

Air separator in a milk measuring installation

EP 0507992 B1 · Applicant: JANSKY GMBH

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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 December 3, 1991 and granted September 14, 1994. A European patent lasts at most 20 years from filing, so its term ended December 3, 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 June 3, 2017.
  • 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.
FiledDecember 3, 1991
PublishedOctober 14, 1992
GrantedSeptember 14, 1994
Term endedDecember 3, 2011
Application numberEP 91120727
Classification (CPC)B01D19/0057

Timeline

Timeline From EPO dates

1992199419961998200020022004200620082010Application filedDec 3, 1991PublishedOct 14, 1992Patent grantedSep 14, 1994Term endedDec 3, 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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.