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Expired European patentEurope

Capacitive differential-pressure transducer

EP 0111348 B1 · Applicant: Philips Electronics N.V.

EPO PDF

Overview

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

Read the whole patent

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.

Why it's free to use

  • Filed October 13, 1983 and granted May 4, 1988. A European patent lasts at most 20 years from filing, so its term ended October 13, 2003.
  • 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 April 13, 2009.
  • 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.
FiledOctober 13, 1983
PublishedJune 20, 1984
GrantedMay 4, 1988
Term endedOctober 13, 2003
Application numberEP 83201467
Classification (CPC)G01L9/0075 +1 more

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedOct 13, 1983PublishedJune 20, 1984Patent grantedMay 4, 1988Term endedOct 13, 2003

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