Lens means for use in radiation energy integrating spheres
CA 1237927 A · Owner: Technicon Instruments Corporation · Inventors: Stark, Edward W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Lens means for utilization in the radiation energy exit port of a radiation energy integrating sphere are provided and function to prevent instrumental specular radiation energy reflections from striking the interior wall surfaces of the sphere and being collected thereby. The instrumental specular radiation energy reflections include those from the lens means per se, and those from instrumentation disposed without the integrating sphere.
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
- Granted June 14, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 14, 2005.
- 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.