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Expired Canadian patentCanada

Method and apparatus for determining the thickness of a shim required forproperly loading and positioning the bearing assembly of a marine propulsiondevice drive shaft

CA 1289351 C · Owner: Brand, William E. · Inventors: Brand, William E.

CIPO record

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Abstract From the Canadian patent

An apparatus for use with a device including a wall surface, and a removable, rotatable shaft having thereon a reference point and a bearing assembly the bearing assembly, including a surface supported by the wall surface with a shim between the bearing assembly surface and the wall surface and, with a fixed distance between the wall surface and the reference point when the bearing assembly is axially loaded in the device, the apparatus being for measuring the required thickness of the shim without inserting the shaft into the device, and the apparatus comprising a mechanism for axially loading the bearing assembly with the shaft out of the device and a gauge rod for measuring the existing …

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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 September 24, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 24, 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.
FiledSeptember 1, 1987
GrantedSeptember 24, 1991
Term endedSeptember 24, 2008
Patent numberCA 1289351 C
Classification (IPC)G01B5/06 +2 more

Timeline

Timeline From CIPO dates

1988199119941997200020032006Application filedSep 1, 1987Patent grantedSep 24, 1991Term endedSep 24, 2008

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