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Expired Canadian patentCanada

Biological fluid filtration system

CA 2437057 C · Owner: Angelo, Anthony J. · Inventors: Angelo, Anthony J.; Wilson, Craig M.; Zia, Majid

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

An improved tubing device (30), preferably for use in the medical industruy is provided. The tubing device provides a seamless transport path (32) by using the tubing itself as the transport means without any other internally wetted parts, or connections, to provide a substantial reduction in the number of fluid contact components, and eliminate the need for cutting tubes into segments to be later bonded via tubing connectors. This can reduce the risk of contamination of the transported materials and can also reduce the use of chemicals such as adhesives and bonding agents.

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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 January 31, 2002 and granted April 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 31, 2022.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 31, 2024.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJanuary 31, 2002
GrantedApril 24, 2012
Term endedJanuary 31, 2022
Patent numberCA 2437057 C
Classification (IPC)A61M1/02 +2 more

Timeline

Timeline From CIPO dates

2003200520072009201120132015201720192021Application filedJan 31, 2002Patent grantedApril 24, 2012Term endedJan 31, 2022

Sources & verification

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