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Expired Canadian patentCanada

Uniformly loaded releasably track-locked running gear

CA 972399 A · Owner: Gulley Company Limited · Inventors: Harris, Michael F.

CIPO record

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

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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 August 5, 1975. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 1992.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 3, 1971
GrantedAugust 5, 1975
Term endedAugust 5, 1992
Patent numberCA 972399 A
Classification (IPC)B62D55/00

Timeline

Timeline From CIPO dates

1972197519781981198419871990Application filedMay 3, 1971Patent grantedAug 5, 1975Term endedAug 5, 1992

Sources & verification

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