Patent Yard Sign in
Expired Canadian patentCanada

Automobile hauling trailer

CA 1298333 C · Owner: Autohaul Industries, Inc. · Inventors: Westerdale, Norman R.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

The invention is a trailer for carrying assembled automobiles, designed to be towed on the highway by a conventional motorized truck-tractor unit. The trailer is equipped with hoisting points to facilitate lifting and transporting the trailer unit from above by cargo container handling cranes such as, those found at shipyards and railyards. In addition the trailer is equipped with hydraulic valves and hydraulic cylinders which serve to control the position of numerous tracks within the body of the trailer. These tracks accommodate the tires of the automobile cargo carried within the trailer. By adjustment of the hydraulic cylinders supporting the multiple tracks the, internal storage …

Read the whole patent

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 March 31, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 31, 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.
FiledJuly 26, 1988
GrantedMarch 31, 1992
Term endedMarch 31, 2009
Patent numberCA 1298333 C
Classification (IPC)B60P3/08

Timeline

Timeline From CIPO dates

1989199219951998200120042007Application filedJuly 26, 1988Patent grantedMarch 31, 1992Term endedMarch 31, 2009

Sources & verification

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