Crop divider for the wheel of an agricultural vehicle
CA 2280681 A1 · Owner: Patterson, Roger L. · Inventors: Patterson, Roger L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A crop divider is mounted in front of a ground wheel of an agricultural vehicle to divide the crop to pass on either side of the wheel. The divided includes two, diverging divider sheets with two trailing side sheets. Each divider sheet carries a free, rolling tine wheel parallel to the sheet and having a hub mounted on the divider sheet for, rotation about an axis at a right angle to the sheet and a plurality of flexible tines extending, outwardly from the hub for rotation with the hub about the axis. The tine wheel is thus, mounted in front of the ground wheel and behind the divider sheet with the hub and top, tines prevented from engaging the crop by the divider sheet and the tines …
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 23, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 2021.
- 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.