Non-invasive spectrophotometer
CA 2435987 A1 · Owner: Glynn, Christopher · Inventors: Glynn, Christopher
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device for use in non-invasive monitoring of a human or animal subject's bodily functions in vivo, comprises: (a) a first optical system for identifying the centre (1) of a pupil (13) of an eye of the subject said , first system comprising a first light source (2) for directing light towards the eye, first receiving means for receiving light reflected from the iris (4) of the eye, and first processing means for determining the position of the centre (1) of the pupil (13) from the light reflected (3) from the iris; (b) a second optical system comprising a second light source (14) directing light to a focussing means (15) for focussing light in the plane of the pupil (13) and for …
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 March 8, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 8, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 8, 2024.
- 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.