Patent Yard Sign in
Expired European patentEurope

Gearing

EP 0347475 B1 · Applicant: Werner & Pfleiderer GmbH

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 June 20, 1988 and granted November 3, 1993. A European patent lasts at most 20 years from filing, so its term ended June 20, 2008.
  • 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 20, 2013.
  • 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 20, 1988
PublishedDecember 27, 1989
GrantedNovember 3, 1993
Term endedJune 20, 2008
Application numberEP 88109781
Classification (CPC)F16H1/206 +2 more

Timeline

Timeline From EPO dates

1989199119931995199719992001200320052007Application filedJune 20, 1988PublishedDec 27, 1989Patent grantedNov 3, 1993Term endedJune 20, 2008

Sources & verification