Expired Canadian patentCanada
Centrifugal concentrator with variable diameter lip
CA 2604682 C · Owner: Mcalister, Steven A. · Inventors: Mcalister, Steven A.
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A centrifugal separator of the type having migration retention and lip zones , of the interior surface of the rotating bowl has a variable diameter lip to increase the amount of target material retained in the retention zone.
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
- Filed April 13, 2006 and granted October 29, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 13, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledApril 13, 2006
GrantedOctober 29, 2013
Term endedApril 13, 2026
Patent numberCA 2604682 C
Classification (IPC)B04B3/00 +2 more
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.