Oil sand spiral surface mining apparatus
CA 2352274 A1 · Owner: Palma, Florencio Neto · Inventors: Palma, Florencio Neto
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A renewable energy for oil exchange system comprising: A modular computer controlled oil sand spiral surface mining apparatus having a pivoting circular steel building assembled on a ring shaped reinforced concrete foundation at a specifically selected location within a oil sand field. A ring shaped railway steel track at the top to support a modular four-boom crane with a plurality of "Electromagnetic Wheels" chassis that provides 360 degrees of rotation freedom. A servicing helicopter landing platform at the top of the central tower for servicing, assisting with the construction and maintenance of the system. Laboratory and office supervisor space at the top inside the building also …
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 July 4, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 2023.
- 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.