Irrigation mat and method of use
CA 2498077 C · Owner: Caron, Jean · Inventors: Caron, Jean; Pepin, Francois; Theoret, Richard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An irrigation mat is comprised of a water impermeable base sheet a water permeable top sheet and a capillary mat disposed between the base sheet and the top sheet. One or more flat pliable optional drip tapes are loosely disposed between the top sheet and the capillary mat and displaceable therebetween to any desirable position. The drip tape is a hollow flat tube constructed of perforated plastics material and extends at least a full length of the irrigation mat. The irrigation mat with the drip tapes is capable of being rolled up upon itself to form a roll. The top sheet is also heat fused to the folded edges of the back sheet.
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 February 23, 2005 and granted November 13, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended February 23, 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.