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Expired Canadian patentCanada

Plate for adjusting the wheels of a vehicle

CA 2015073 C · Owner: Wheeltronic Ltd. · Inventors: Curran, Robert James

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

Title: Plate for adjusting the wheels of a vehicle Inventor: Robert Curran, Abstract for Disclosure A plate, for use in adjusting the rear wheels of a four wheel vehicle incorporating all wheel steering has an elongate sheet-form bearing cage, which includes a plurality of apertures. Ball bearings or other rolling elements are located in the apertures, and a top sheet member is located on top o f the ball bearings. In use, the ball bearings are supported on a horizontal planar surface, for example a support platform of a hydraulic lift or a separate base sheet member. The configuration of the cage and the bearings is such that the top sheet member is capable of limited lateral and …

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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

  • Filed April 20, 1990 and granted March 16, 1993. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 20, 2010.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 20, 2012.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 20, 1990
GrantedMarch 16, 1993
Term endedApril 20, 2010
Patent numberCA 2015073 C
Classification (IPC)B66F7/28 +2 more

Timeline

Timeline From CIPO dates

1991199319951997199920012003200520072009Application filedApril 20, 1990Patent grantedMarch 16, 1993Term endedApril 20, 2010

Sources & verification

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