Optical probe having and methods for uniform light irradiation and/or light collection over a volume
CA 2336128 A1 · Owner: Wilcox, Robert L. · Inventors: Deckert, Curtis K.; Wilcox, Robert L.; Hildwein, Roger L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A variety of optical probes and optical methods have utility in the examination of various materials, especially materials in the interior of cavities having restricted access through orifices or passageways. An optical probe useful, for example, in examining the epithelia and other tissues of anatomical structures within the body cavities and tubular organs and viscera of mammals is elongated and includes an optical window (240 302, 1002), a , light source (222, 312 314, 510, 520, 1020, 1200, 1400, 1700) a spatial , mixer (224, 304, 2004, 2104 2204, 2304), and a light collector (210 320, 720, 1120). The light from the light source is mixed in the spatial mixer thereby removing any …
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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 July 1, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 1, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 1, 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.