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Expired European patentEurope

Apparatus for regulation of gas fed for gas consumption

EP 0083587 B1 · Applicant: ALFA-LAVAL AB

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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 11, 1982 and granted September 16, 1987. A European patent lasts at most 20 years from filing, so its term ended February 11, 2002.
  • 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 11, 2007.
  • 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 11, 1982
PublishedJuly 20, 1983
GrantedSeptember 16, 1987
Term endedFebruary 11, 2002
Application numberEP 82900512
Classification (CPC)G05D16/12

Timeline

Timeline From EPO dates

1983198519871989199119931995199719992001Application filedFeb 11, 1982PublishedJuly 20, 1983Patent grantedSep 16, 1987Term endedFeb 11, 2002

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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