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Expired European patentEurope

Rucksack with flexible adjustable frame

EP 0273087 B1 · Applicant: PROPOSTA S.p.A.

EPO PDF

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.

Why it's free to use

  • Filed December 29, 1986 and granted July 3, 1991. A European patent lasts at most 20 years from filing, so its term ended December 29, 2006.
  • 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 29, 2012.
  • 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 29, 1986
PublishedJuly 6, 1988
GrantedJuly 3, 1991
Term endedDecember 29, 2006
Application numberEP 86830389
Classification (CPC)A45F3/04

Timeline

Timeline From EPO dates

1987198919911993199519971999200120032005Application filedDec 29, 1986PublishedJuly 6, 1988Patent grantedJuly 3, 1991Term endedDec 29, 2006

Sources & verification