Surface for controlling liquids
CA 2809741 C · Owner: Maclean, Bradley R. · Inventors: Maclean, Bradley R.; Sanderson, James
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A liquid-controlling surface, comprising a formation comprising a plurality of individual cells for containing liquid each of said cells having a cell wall; a plurality of distribution channels one connecting each cell to each adjacent cell each distribution channel being positioned on the internal cell wall at a height so as to channel liquid to the adjacent cell when a cell liquid level exceeds a predetermined limit; a perimeter wall for preventing liquid from leaking to an area outside the wall.
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 October 24, 2005 and granted March 10, 2015. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 24, 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.