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European application, no grantEurope

Joining device for sections of a cylindrical cape of sheet metal, which are jointed on points of impact

EP 0509546 A2 · Applicant: Trost, Bärbel

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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.

Why it's free to use

  • Filed April 21, 1992 and never granted as a European patent. Had it been granted, its 20-year term would have ended April 21, 2012.
  • 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 21, 2017.
  • 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 21, 1992
PublishedOctober 21, 1992
GrantedNever granted
Term endedApril 21, 2012
Application numberEP 92106767
Classification (CPC)F16L23/08 +2 more

Timeline

Timeline From EPO dates

1993199519971999200120032005200720092011Application filedApril 21, 1992PublishedOct 21, 1992Term endedApril 21, 2012

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