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Expired European patentEurope

Plasma furnace

EP 0757972 B1 · Applicant: KABUSHIKI KAISHA KOBE SEIKO SHO

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 March 8, 1994 and granted June 6, 2001. A European patent lasts at most 20 years from filing, so its term ended March 8, 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 September 8, 2019.
  • 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.
FiledMarch 8, 1994
PublishedFebruary 12, 1997
GrantedJune 6, 2001
Term endedMarch 8, 2014
Application numberEP 96116254
Classification (CPC)C03B3/00 +2 more

Timeline

Timeline From EPO dates

1995199719992001200320052007200920112013Application filedMarch 8, 1994PublishedFeb 12, 1997Patent grantedJune 6, 2001Term endedMarch 8, 2014

Sources & verification