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Expired Canadian patentCanada

Journal bearing and liner

CA 1049079 A · Owner: Vandervell Products Limited · Inventors: Hill, Joseph H.; Green, David F.

CIPO record

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

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Abstract From the Canadian patent

BEARINGS FOR RAILWAY VEHICLE AXLES", ABSTRACT OF THE DISCLOSURE The disclosure relates to a railway vehicle bearing having a metal block with a part cylindrical recess extending around one face of the block between opposed end faces thereof. A journal bearing liner or a bearing lining extends along the recess to receive the vehicle axle for rotation. The end faces of the block are provided with thrust plates or the end surfaces of the block are provided hardened faces to withstand thrust forces imposed by thrust faces on the axle. 1.

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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 20, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 20, 1996.
  • 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 20, 1979
Term endedFebruary 20, 1996
Patent numberCA 1049079 A
Classification (IPC)F16C33/04 +1 more

Timeline

Timeline From CIPO dates

198019821984198619881990199219941996Patent grantedFeb 20, 1979Term endedFeb 20, 1996

Sources & verification

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