Tipping rail vehicle
CA 2029374 A1 · Owner: Nalva Proprietary Limited · Inventors: Kotze, Abraham P. L.; Hulme, Gerrit J. J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a tipping rail vehicle including a wheeled frame and an open topped container body characterized in that it includes means pivotally connecting the body to the frame for rotation of the body at least partially about the pivot axis of the connecting means with the pivot axis being normal to the intended direction of travel of the vehicle and at least one formation on the container body for rotating the container body about the pivot axis to discharge material in the body from its open top. Preferably the container body is in the form of a substantially cylindrical drum with the pivot axis of the connecting means passing through parallel side walls of the body on or …
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 November 6, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 6, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 6, 2012.
- 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.