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Expired European patentEurope

Resistance probe for monitoring gas compositions, and process for its manufacture

EP 0506676 B1 · Applicant: ROBERT BOSCH 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 November 24, 1990 and granted February 4, 1998. A European patent lasts at most 20 years from filing, so its term ended November 24, 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 May 24, 2016.
  • 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.
FiledNovember 24, 1990
PublishedOctober 7, 1992
GrantedFebruary 4, 1998
Term endedNovember 24, 2010
Application numberEP 90916710
Classification (CPC)G01N27/12

Timeline

Timeline From EPO dates

1991199319951997199920012003200520072009Application filedNov 24, 1990PublishedOct 7, 1992Patent grantedFeb 4, 1998Term endedNov 24, 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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