Method and apparatus for monitoring particles in a liquid medium
CA 1191723 A · Owner: Jones, David G. · Inventors: Kwon, Oh K.; Jones, David G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An improved method and apparatus of producing Ferrograms in which centrifugal force is used to facilitate the spread of a deposit of magnetically or electrically polarised or polarisable particles onto a substrate to facilitate subsequent analysis of the particles.
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 August 13, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 13, 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.