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Expired Canadian patentCanada

Fluid delivery and measurement systems and methods

CA 2850729 C · Owner: Valeritas, Inc. · Inventors: Marshall, Peter F.; Gonnelli, Robert R.; Levesque, Steven

CIPO record

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

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Abstract From the Canadian patent

A fluid delivery device is disclosed, including a housing having an interior and an exterior. A flexible member within the interior of the housing is mechanically coupled to the housing. The flexible member forms first and second chambers within the interior of the housing. A fluid reservoir is disposed within the first chamber of the housing. A microprobe extends from the fluid reservoir through the flexible member and into the second chamber of the housing. The microprobe is configured to translate in a first direction and rotate substantially freely in plane perpendicular to the first direction.

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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 November 30, 2001 and granted January 3, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 30, 2021.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 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.
FiledNovember 30, 2001
GrantedJanuary 3, 2017
Term endedNovember 30, 2021
Patent numberCA 2850729 C
Classification (IPC)A61M5/14 +2 more

Timeline

Timeline From CIPO dates

2002200420062008201020122014201620182020Application filedNov 30, 2001Patent grantedJan 3, 2017Term endedNov 30, 2021

Sources & verification

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