Lighting device for signalling on and identification and marking of airport traffic areas
CA 2255963 A1 · Owner: Vanderen, Michel · Inventors: Vanderen, Michel; Vandevoorde, Jean-Claude
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a lighting device for signalling on and identification and marking of airport traffic areas e.g. take-off runways, landing runways taxiways and the like. Said device has light sources (1) for direct emission of visible light. To reduce energy consumption and maintenance costs for said lighting devices, it is proposed that the light sources take the form of semiconductor components.
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 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 2019.
- 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.