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Expired Canadian patentCanada

All-terrain vehicle

CA 1301662 C · Owner: Esarco Limited · Inventors: Somerton-Rayner, Michael

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

An air-portable all-terrain vehicle is provided with six wheels on three equidistant axles all driven from a single engine via two transfer boxes and differential gear units on each axle. The axles are fully floating beam axles on long travel coil springs and controlled by radius arms and Panhard rods. The radius arms may be parallel to and co-extensive with the respective propeller shafts coupling the differential gears to the transfer boxes and the connections between the propeller shafts and the transfer box outputs may include torsional vibration dampers. A dual circuit braking system with a deceleration sensing valve can be provided to limit the hydraulic pressure to the front wheel …

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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledFebruary 11, 1988
GrantedMay 26, 1992
Term endedMay 26, 2009
Patent numberCA 1301662 C
Classification (IPC)B60K17/22 +2 more

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedFeb 11, 1988Patent grantedMay 26, 1992Term endedMay 26, 2009

Sources & verification

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