Luminaire
CA 2131752 A1 · Owner: Philips Electronics N.V. · Inventors: Wijbenga, Hendrik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Luminaire. The luminaire has a concave reflector (1) built up from plane facets (4). The facets are arranged in rows (7) which extend between first parallel planes (8) towards the light emission window (3). The facets are also bounded by second parallel planes (9). The first and the second parallel planes extend parallel to the axis (2) of the reflector, but transversely to one another. Means (30) are present for holding an electric light source (31') in a plane transverse lo the plane of symmetry (6) of the reflector. The luminaire is suitable for concentrating the light generated by the light source into a comparatively wide beam and for illuminating a field from a small distance with 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 September 9, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 9, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 9, 2016.
- 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.