Optical device for indicating the glide angle for aircraft
CA 2489664 C · Owner: Bertin, Daniele Maria · Inventors: De Maria, Laura; Bertin, Daniele Maria
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Optical device for indicating the glide angle for aircraft comprising at least one unit (10) for generating a light ray with a predefined colour at least one unit (20) for transmitting said light ray and creating a light image and at least one unit (30) for remotely projecting said light image characterized in that said generating unit (10) comprises at least one light source consisting of an LED (11) and said unit (20) for transmitting the light ray and creating a light image is of the optical fibre type (21,22).
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 December 7, 2004 and granted May 8, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 7, 2024.
- 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.