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Expired Canadian patentCanada

Apparatus and method for regulating fluid pump pressures

CA 2418669 C · Owner: Deka Products Limited Partnership · Inventors: Gray, Larry B.; Bryant, Robert

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Abstract From the Canadian patent

A method is , provided for regulating fluid pump pressures by detecting an elevation , differential between a fluid flow control device and the distal end of , a fluid line in communication with the fluid flow control device. A fluid flow control device, for instance , a peritoneal dialysis device is at a , first height, a distal end of a fluid line is at a second height, and a , valved outlet when open, affords , communication between the fluid how control device and the distal , end of the fluid line. The elevation differential is correlatable with , a pressure measurable during a calibration procedure provided as a , part of the methodology.

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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 June 25, 2001 and granted October 18, 2011. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended June 25, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 25, 2023.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledJune 25, 2001
GrantedOctober 18, 2011
Term endedJune 25, 2021
Patent numberCA 2418669 C
Classification (IPC)A61M5/00 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedJune 25, 2001Patent grantedOct 18, 2011Term endedJune 25, 2021

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