Wavy farming disc
CA 2531740 C · Owner: Ingersoll Argentina S.A. · Inventors: Piccat, Julio Cesar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wavy farming disc for working the soil in farming activities particularly in no-till works for seeding wherein the disc comprises a plate having a peripheral circular cutting edge and a central portion and a plurality waves in the plate with the waves extending radially inwardly from the cutting edge and defining a sawtooth pattern.
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 29, 2005 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 29, 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.