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Expired Canadian patentCanada

Bearing assembly for a ball and socket joint

CA 1071885 A · Owner: Gulf And Western Manufacturing Company · Inventors: Trudeau, William H.; Gaines, Donald R.; Smallegan, Jon M.

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 bearing assembly for a ball and socket type joint of the type using split bearing inserts interposed between a ball and a socket which includes interdigitally engaged bearing inserts installed in the assembly under the pressure of an elastic memory ring to provide the bearing load and a wear take-up, including clearance openings for lubricant dimensioned and positioned to coincide with access grooves to insure lubricant distribution.

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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 February 19, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 19, 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—
GrantedFebruary 19, 1980
Term endedFebruary 19, 1997
Patent numberCA 1071885 A
Classification (IPC)F16C11/06

Timeline

Timeline From CIPO dates

198119831985198719891991199319951997Patent grantedFeb 19, 1980Term endedFeb 19, 1997

Sources & verification

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