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Expired European patentEurope

Semiconductor temperature sensor

EP 0174686 B1 · Applicant: Philips Electronics N.V.

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

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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 August 28, 1985 and granted March 13, 1991. A European patent lasts at most 20 years from filing, so its term ended August 28, 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 February 28, 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.
FiledAugust 28, 1985
PublishedMarch 19, 1986
GrantedMarch 13, 1991
Term endedAugust 28, 2005
Application numberEP 85201359
Classification (CPC)G01K7/01 +1 more

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedAug 28, 1985PublishedMarch 19, 1986Patent grantedMarch 13, 1991Term endedAug 28, 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

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