Lighting device for installation in plane surface
CA 2397701 A1 · Owner: Hagen, Eldar · Inventors: Hagen, Eldar; Seland, Henrik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A lighting device for installation in a substantially plane surface (101) comprising at least one lamp device (8) that emits light essentially in a light direction which forms an angle (.beta.) with a exit face (121) of a light refracting means (1) in the lamp device (8). The lamp device comprises a light source (107) that emits light towards an incident face (114) of the light refracting means (1), where the light refracting means (1) has a longitudinal direction coincident with the said light direction and where the , exit face (121) is approximately parallel to the substantially plane surface (101). The exit face (121) is set a slight angle of inclination (.gamma.) relative to the …
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 20, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 20, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 20, 2022.
- 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.