Particle counting system for a fractionating device
CA 1208937 A · Owner: E. I. Du Pont De Nemours And Company · Inventors: Abbott, Scot D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method and system for generating a selective particle size population distribution of particles having a predetermined nature. Particles having a nature different from that of the particles of interest are accounted for. The system includes a fractionating apparatus connected to a counting apparatus. The passage of a particle through the counting apparatus generates a signal representative of the presence of a particle and indicative of the nature of the particle.
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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 August 5, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 5, 2003.
- 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.