Metering doses of sample liquids
CA 2556205 C · Owner: Nascent Biosciences, Inc. · Inventors: Karg, Jeffrey A.; Kroncke, Douglas W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of metering and mixing a dose of a sample liquid (17) with a diluent liquid (20) includes introducing a sample liquid (17) into a channel (33 102) , defined in a housing. The housing defines a pocket (13 26, 28, 29, 34, 35, 38) open to the channel (33 102) and sized to both collect a metered dose of the sample liquid (17), and to retain the collected dose by capillary force when the channel (33, 102) is emptied. The sample liquid (17) is then removed from the channel (33, 102) under conditions that enable retention of the collected, metered dose of the sample liquid (17) in the pocket (13 26, 28, 29, 34, 35, 38). Following a cleaning step a volume of diluent liquid (20) is , …
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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 February 17, 2005 and granted January 22, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 17, 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.
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.