Personal hoverplane having four tiltmotors
CA 2315524 A1 · Owner: Austen-Brown, John F. · Inventors: Austen-Brown, John F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vertical take-off and landing aircraft having a wing fitted in the , preferred, embodiment, with two nacelles one port and one starboard each nacelle having, two tiltmotors in tandem one forward and one aft of the wing. A conventional rudder and high set tailplane is fitted or in another embodiment forward , canards or in yet another embodiment the aircraft is a flying wing. Forward tiltmotors can be tilted up past the vertical and the aft pusher tiltmotors, can be tilted down past the vertical so that the aircraft can maintain a steep descent, with the propeller discs horizontal and a low angle of attack of the wing. Each engine is fitted with a two bladed variable pitch propeller that …
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 28, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 28, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 28, 2022.
- 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.