Feeder for highly abrasive materials
CA 1292208 C · Owner: Loukos, Isaias · Inventors: Loukos, Isaias
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A feeder for highly abrasive materials includes a housing and an impeller. The housing includes inner an outer concentric spaced apart, vertically oriented wall portions which are each closed at their lower ends by a common bottom plate and at their upper ends, respectively, by vertically spaced apart top plates. The impeller is disposed in the gaps between the wall portions and the top plates and consists of a pair of spaced-apart, vertically oriented cylindrical members which are joined in a concentric relation by a plurality of radially extending equi-spaced apart fins. The fins extend upwardly from the lower edges of the cylindrical members and terminate below their upper ends to define …
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 November 19, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 19, 2008.
- 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.