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EP 0039467 A2 · Applicant: Arthur Böhm Kunststoffverarbeitung

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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 April 28, 1981 and never granted as a European patent. Had it been granted, its 20-year term would have ended April 28, 2001.
  • 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 October 28, 2006.
  • 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.
FiledApril 28, 1981
PublishedNovember 11, 1981
GrantedNever granted
Term endedApril 28, 2001
Application numberEP 81103185
Classification (CPC)F16L3/223

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedApril 28, 1981PublishedNov 11, 1981Term endedApril 28, 2001

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