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Expired Canadian patentCanada

System for detecting rotational imbalance of vehicle roadwheels

CA 1322674 C · Owner: Ford Motor Company · Inventors: Yopp, W. Trent

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

A system for detecting dynamic rotational imbalance of vehicle roadwheels includes a force measurement sensor for sensing the force required to steer the roadwheel and further includes a device for generating a force signal corresponding to the sensed force and a processor responsive to the force signal for determining the dynamic rotational balance condition of the roadwheel. 2087K

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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 October 5, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 5, 2010.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 24, 1989
GrantedOctober 5, 1993
Term endedOctober 5, 2010
Patent numberCA 1322674 C
Classification (IPC)G01M1/28 +1 more

Timeline

Timeline From CIPO dates

1990199319961999200220052008Application filedAug 24, 1989Patent grantedOct 5, 1993Term endedOct 5, 2010

Sources & verification

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