Mixing apparatus
CA 1301742 C · Owner: Cf Systems Corporation · Inventors: Shallice, Christopher; Kingsley, George
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Apparatus for mixing materials including a fluid, in a vessel, which apparatus includes a hollow elongated shaft mounted so as to be driven at one end for rotation about its axis of elongation within the vessel, the other end of the shaft in the vessel being open. A planar baffle plate extends across the vessel intermediate the ends of and transversely to the shaft so as to divide the vessel's interior into two zones joined by the fluid pervious clearance around the edge of the plate. The open end of the shaft is located in one of the zones; the walls of that portion of the shaft located in the second of the zones are perforated to permit fluid flow between the second zone and the shaft …
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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 May 26, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 26, 2009.
- 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.