Patent Yard Sign in
Expired Canadian patentCanada

Universal joint and cross therefor

CA 1069716 A · Owner: Rockwell International Corporation · Inventors: Hogan, Lawrence H.; Mcelwain, John C.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

Abstract of the Disclosure A universal joint includes a cross operably connected therein the cross comprises, a body having four trunions extending therefrom along two mutually perpendicular lines a, lubrication network in the body and the trunions to provide lubrication to the cylindrical outer bearing surface of the trunions, the network includes a plurality of branches in communication with and terminating in a counterbore provided internally in each of the trunions, each counterbore having a cylindrical inner surface coaxial with the cylindrical outer bearing surface of the trunions, the counterbore is open at its end opposite the branches, a flow metering member having at least one …

Read the whole patent

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 January 15, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 15, 1997.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Filed—
GrantedJanuary 15, 1980
Term endedJanuary 15, 1997
Patent numberCA 1069716 A
Classification (IPC)F16D3/10 +1 more

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedJan 15, 1980Term endedJan 15, 1997

Sources & verification

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