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Expired Canadian patentCanada

Bearing assembly

CA 1285309 C · Owner: Reliance Electric Company · Inventors: Heshmat, Hooshang; Gorski, Paul T.

CIPO record

Overview

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

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Abstract From the Canadian patent

An improved modular bearing assembly capable of operation for radial and thrust loads under starved and flooded lubricant conditions with low power losses. A journal bearing alone may be employed or journal and thrust bearings. Thrust bearings per se are also disclosed and claimed. Particular bearing characteristics are disclosed for preferred journal liner and thrust bearings.

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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 June 25, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 25, 2008.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledOctober 9, 1986
GrantedJune 25, 1991
Term endedJune 25, 2008
Patent numberCA 1285309 C
Classification (IPC)F16C33/10 +1 more

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedOct 9, 1986Patent grantedJune 25, 1991Term endedJune 25, 2008

Sources & verification

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