Autorotator for landing
CA 2548935 C · Owner: Firer, Rozana · Inventors: Firer, Rozana; Drinfeld, Ilia
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Propose a device for the rescue of people and safe landing of cargo with the use of the effect autorotation. The device has a blade of certain geometry that provides a descent at a fixed speed. The autorotator contains a directional control system that operates on a horizontal axis and gyrostabilizer for prevention rotation load or men.
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 May 19, 2006 and granted August 5, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 19, 2026.
- 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.