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Expired Canadian patentCanada

Snowmobile conversion assembly for motor vehicles

CA 1109510 A · Owner: Shaver, Allen L. · Inventors: Shaver, Allen L.

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

30-, "SNOWMOBILE CONVERSION ASSEMBLY FOR MOTOR VEHICLES" ABSTRACT OF THE DISCLOSURE, A subframe carries pairs of track engaging wheels on rocking beams along each side thereof and is adjustable longitudinally for track tension adjustment. This frame is secured by the rear end thereof to below the rear axle and is held upon a spacer inserted between the axle and the spring saddles. Sprockets attached to the rear brake drums in place of the wheels and engage the track to drive same. A pair of skis is mounted on beams extending from and attached to the front of said subframe and these skis are situated forwardly of the wheels. Steering plates are secured to the front brake drums in place of …

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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 22, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 1998.
  • 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 13, 1979
GrantedSeptember 22, 1981
Term endedSeptember 22, 1998
Patent numberCA 1109510 A
Classification (IPC)B62D55/00 +2 more

Timeline

Timeline From CIPO dates

1980198219841986198819901992199419961998Application filedSep 13, 1979Patent grantedSep 22, 1981Term endedSep 22, 1998

Sources & verification

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