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Expired European patentEurope

Clamp-on ultrasonic volume flow rate measuring device

EP 0686255 B1 · Applicant: Endress + Hauser Flowtec AG

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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 December 15, 1994 and granted March 15, 2000. A European patent lasts at most 20 years from filing, so its term ended December 15, 2014.
  • 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 15, 2020.
  • 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 15, 1994
PublishedDecember 13, 1995
GrantedMarch 15, 2000
Term endedDecember 15, 2014
Application numberEP 95903802
Classification (CPC)G01F1/662 +2 more

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedDec 15, 1994PublishedDec 13, 1995Patent grantedMarch 15, 2000Term endedDec 15, 2014

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.