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Expired Canadian patentCanada

Molten metal pump

CA 2573137 C · Owner: Tipton, Jon · Inventors: Henderson, Richard S.; Bright, Mark; Mordue, George

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 molten metal pump includes an impeller a pump base housing at least , partially enclosing the impeller a shaft connected to the impeller, a motor connected to the shaft, a motor mount plate for supporting the motor; and a post for connecting the motor mount plate to the pump base housing. The molten metal pump can include a connector that connects the post to the motor mount plate. The molten metal pump can include a socket for connecting the shaft to the motor. The shaft can comprise an assembly including an elongated metal rod having a first end and a second end and a metal non-circular drive member attached at the second end of the elongated metal rod. The impeller can include …

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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 July 7, 2005 and granted November 15, 2016. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 7, 2025.
  • 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.
FiledJuly 7, 2005
GrantedNovember 15, 2016
Term endedJuly 7, 2025
Patent numberCA 2573137 C
Classification (IPC)F16B7/10 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedJuly 7, 2005Patent grantedNov 15, 2016Term endedJuly 7, 2025

Sources & verification

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