Illuminating device
CA 2306284 A1 · Owner: Magna Auteca Zweigniederlassung Der Magna Holding Ag · Inventors: Zorn, Heinz; Macher, David; Fritzl, Raimund
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an illuminating device which is arranged on motor vehicles and/or in the interior space of motor vehicles. The device comprises an electroluminescence layer structure having at least a first electrode layer, a dielectric layer, an electroluminescence illuminating layer and a transparent second electrode layer. The electroluminescence layer structure is arranged on a support and/or in a frame and the electrode layers are , connected to an alternating current control unit. The electroluminescence layer structure preferably forms a compact component with the support and/or frame, the alternating current control unit having components and a circuit arranged on a …
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 October 13, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 13, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 13, 2020.
- 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.