Improved elevated rail transportation system
CA 2526677 C · Owner: Flight Rail Corporation · Inventors: Schlienger, Max P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for propelling a vehicle along an elevated pneumatic power tube , carried by exterior support structure above ground. First and second angles define tracks for the vehicle and extend parallel to the power tube. Undercarriages secured to the vehicle including vehicle support and guidance wheels which are rotatable about axes inclined relative to legs of the angle tracks have a periphery that engages the legs of the angle tracks so that the weight of the vehicle is supported by the tracks and the support structure only. A pneumatic propulsion unit is movably disposed inside the power tube and is guided along rails on the inside of the power tube. A magnetic coupler having …
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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 4, 2004 and granted January 10, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 4, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 4, 2026.
- 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.