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EP 0348375 A2 · Applicant: OUTOKUMPU OY

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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 June 21, 1989 and never granted as a European patent. Had it been granted, its 20-year term would have ended June 21, 2009.
  • 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 December 21, 2014.
  • 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.
FiledJune 21, 1989
PublishedDecember 27, 1989
GrantedNever granted
Term endedJune 21, 2009
Application numberEP 89850211
Classification (CPC)H01J5/20 +1 more

Timeline

Timeline From EPO dates

1990199219941996199820002002200420062008Application filedJune 21, 1989PublishedDec 27, 1989Term endedJune 21, 2009

Sources & verification