Articulated rail car string with railbed transport surface
CA 2510237 C · Owner: Burt, Barry · Inventors: Burt, Barry; Marcotte, Neil
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rail car apparatus includes a bridge mechanism pivotally attached to a middle rail , wheel assembly. A front deck has a rear end pivotally attached to a front of the bridge , mechanism, and a rear deck has a front end thereof pivotally attached to a rear of the , bridge mechanism. A set of front rails is fixed to a top surface of the front deck, and a set , of rear rails is fixed to a top surface of the rear deck. A set of bridge rails is fixed to the , bridge mechanism between the front and rear rails and aligned therewith when the front , and rear rails are aligned. The bridge mechanism front rails, rear rails, and , bridge rails are configured such that a rail vehicle can move …
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
- Filed June 20, 2005 and granted April 9, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.