Multiport illuminator for light guides
CA 2294316 A1 · Owner: Riser, Andrew P. · Inventors: Riser, Andrew P.; Liu, David H.; Mathis, Ronald F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A light guide illumination system having a metal-halide double-ended illumination source is disclosed. The light guide illumination system includes at least one light guide (42, 28, 28a) and two curved reflectors (14) disposed in proximity to the double-ended illumination source. The two curved reflectors (14) are adapted to reflect the emitted light from the double-ended illumination source (12) into the light guide (42 28, 28a). The light guide , illumination system further includes at least one multi-sector lens (38) adapted to receive light from the light guide and at least one output light guide. The multi-sectored lens (38) is adapted to receive the reflected light from 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 February 18, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 18, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 18, 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.