Automatic or manual rail car positioner
CA 1341072 C · Owner: Stevens, Arthur J. · Inventors: Lobb, Ernest W.; Stevens, Arthur J.; Robbins, Bruce
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A railroad car positioning apparatus for positioning a railroad car, the railroad car having at least two axles spaced apart along a longitudinal axis of the railroad car each of the, at least two axles being provided with wheels on the opposing ends thereof, the railroad car positioning device apparatus including a carriage member; a first dog member mounted on the carriage member and a second dog member mounted on the carriage member; a device for positioning the first dog member and for extending the first dog member to at least a first position wherein the first dog member extends from the carriage member to at least the height of the axle members of the railroad car for contacting at …
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 August 1, 2000. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 1, 2017.
- 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.