Optical analyzing method and system
CA 1183367 A · Owner: Sherwood Services Ag · Inventors: Eseifan, Ali H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Optical Analyzing Method and System, Abstract A method and system for analyzing specimens include the turning on of a high intensity lamp to produce a beam of light on one side of a container holding a specimen to be analyzed. A signal proportional to the transmittance of the specimen is generated a predetermined length of time after the lamp is turned on and the lamp, is turned off after the generation of that signal and maintained off until the generation of a next successive signal. Each transmittance signal is generated an equal length of time after the lamp is turned on.
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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
- Granted March 5, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2002.
- 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.