Positioning means
CA 1055312 A · Owner: Strachan And Henshaw Limited · Inventors: Evans, David A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rail-car positioner comprises a carriage on a track running alongside and parallel to the train track and an elongate arm on the carriage is transversely displaceable to enter between a pair of coupled rail-cars of the train and connect the positioner drivingly to the train. The arm is extended substantially axially from, a retracted position on the carriage in a preferably, generally horizontal first direction to introduce an end of the arm between the pair of rail-cars and said, end is then engaged with the rail-cars' coupling by displacing it in a second direction transverse to the first direction. 1.
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 May 29, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 29, 1996.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.