Apparatus and method for use in harvesting crops of the genus brassica
CA 2226468 C · Owner: Rourke, David R. S. · Inventors: Rourke, David R. S.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of harvesting crops of the type falling in the genus Brassica comprises lodging the crops using a crop pusher assembly transported by a tractor and including a stationary crop pushing surface which is inclined downwardly and rearwardly from an upper top edge to a position adjacent the ground. The surface is convex and includes a bottom pivotal flap for following ground contour. The standing crop is moved to a lodged position against the ground without cutting or breaking the crop stems. This prevents shattering of the crop by maintaining the crop in the lodged position and causes the crop to continue to mature by maintaining the stems without cutting or breaking. After the crop has …
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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 January 7, 1998 and granted March 21, 2000. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 7, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 7, 2020.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.