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Expired Canadian patentCanada

Universal joint

CA 1202794 A · Owner: Uni-Cardan Aktiengesellschaft · Inventors: Petrzelka, Miloslav

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A universal joint having a first and a second yoke connected with a trunnion cross including bearing pins supported in bores of the yokes joining the yokes together includes a bearing bush, roller bearings and a bearing ring between the bearing pin and the inner wall of the bore in the yoke. The universal joint is provided with radial play between the yoke and the bearing pin of the trunnion cross over a limited portion of the length of the bearing pin, with the radial play increasing in a direction radially outwardly of the trunnion cross. The radial play is provided by structuring at least one of the bearing pin the bearing, ring and the bearing bush with a conical configuration. …

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Granted April 8, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 2003.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 18, 1981
GrantedApril 8, 1986
Term endedApril 8, 2003
Patent numberCA 1202794 A
Classification (IPC)F16D3/16 +2 more

Timeline

Timeline From CIPO dates

19821985198819911994199720002003Application filedDec 18, 1981Patent grantedApril 8, 1986Term endedApril 8, 2003

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.