Patent Yard Sign in
Expired European patentEurope

Spring member

EP 0051995 B1 · Applicant: WHEEL DEVELOPMENTS LIMITED

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 November 6, 1981 and granted November 26, 1986. A European patent lasts at most 20 years from filing, so its term ended November 6, 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 May 6, 2007.
  • 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.
FiledNovember 6, 1981
PublishedMay 19, 1982
GrantedNovember 26, 1986
Term endedNovember 6, 2001
Application numberEP 81305291
Classification (CPC)B60G11/00 +2 more

Timeline

Timeline From EPO dates

1982198419861988199019921994199619982000Application filedNov 6, 1981PublishedMay 19, 1982Patent grantedNov 26, 1986Term endedNov 6, 2001

Sources & verification