Aeroplane propulsion system with four pusher engines
CA 2508799 C · Owner: Airbus Operations Sas · Inventors: Lazare, Ion
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The propulsion system comprises four engines (M1 M2, M3, M4) with pusher propellers, the engines being mounted in pairs on the wings (4 5) of the aircraft (2) and the respective direction of rotation thereof when viewing said engines from the rear of the aircraft (2) being from left to right, the clockwise direction (S1) the counterclockwise direction (S2), the clockwise direction (S1) and the counterclockwise direction (S2).
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 24, 2005 and granted March 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 24, 2025.
- 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.