Harvesting device for harvesting ears of corn and similar crops
CA 2314837 C · Owner: Wolters, Norbert · Inventors: Wubbels, Richard; Wolters, Norbert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A harvesting device for the harvesting of ears of corn or of similar grain crops for, mounting on a self-propelled agricultural harvesting vehicle in particular a , combine or a, chopper forage harvester equipped with a picking device for ears of corn is , described. The, picking device consists of an ear holding device with at least one picking gap and at least, one picking cylinder, located below the picking gap for the purpose of , pulling of the corn stalks in a downward direction and ripping the ears of corn off their stalks. The ear holding, device is formed by at least one picking disk that rotates around a vertical shaft and features, at least one picking gap that runs in the …
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 August 2, 2000 and granted July 29, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 2, 2022.
- 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.