Expired Canadian patentCanada
Pressure regulated continuously variable volume container for fluid delivery
CA 2590191 C · Owner: Neas, Edwin Dean · Inventors: Neas, Edwin Dean; Kuiken, Jerald Edward; Schenk, John Louis
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A fluid handling and delivery system useful in generating a fluid stream (7) in the flow path (8) of microfluidic device (16).
Read the whole patent
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 December 2, 2005 and granted March 24, 2020. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 2, 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.
FiledDecember 2, 2005
GrantedMarch 24, 2020
Term endedDecember 2, 2025
Patent numberCA 2590191 C
Classification (IPC)—
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.