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Expired Canadian patentCanada

Fluid circulation system

CA 2544516 C · Owner: Harman, Jayden David · Inventors: Harman, Jayden David

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

A fluid circulation system wherein circulation is caused within a body (31) by establishing and maintaining a ring vortex (36) within the fluid (31) caused by an impeller (34) designed in accordance with the Golden Section or Phigeometry.

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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

  • Filed October 12, 2004 and granted April 29, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 12, 2024.
  • 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.
FiledOctober 12, 2004
GrantedApril 29, 2014
Term endedOctober 12, 2024
Patent numberCA 2544516 C
Classification (IPC)F15D1/00

Timeline

Timeline From CIPO dates

2005200720092011201320152017201920212023Application filedOct 12, 2004Patent grantedApril 29, 2014Term endedOct 12, 2024

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.