Optical switch
CA 2268754 A1 · Owner: Galeotti, Adriano · Inventors: Pianciola, Aurelio; Milanese, Paolo; Galeotti, Adriano
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Optical switch comprising an input optical collimator having a first axis of collimation of an optical beam two output optical collimators, one having a second axis and one having a third axis of collimation of an optical beam, and a device for the distribution of the optical beam directed along the said first collimation axis towards one of the said second and third axes of collimation of the optical beam. The said device comprises at least one reflector movable between a first and a second predetermined position, which provides an optical connecting path between the said input collimator and one of the said output collimators in which each of, the said first and second positions …
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 April 7, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 7, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 7, 2021.
- 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.