Air seeding boot
CA 1162792 A · Owner: Morris Rod Weeder Co. Ltd. · Inventors: Machnee, Cecil B.; Butuk, Fred N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A seeding boot for use with a cultivator shank and utilized for delivering particulate material such as seed, fertilizer, chemicals or the like to soil prepared by a soil working tool comprises a soil deflector which defines a surface for deflecting soil over the seeds deposited on the prepared soil, and thereafter allows the soil to cover the seeds, and a diffusing member matingly engageable with the soil deflecting member for diffusing the seeds or the like into substantially parallel rows and includes a downstream portion which abuts against the inner surface of the soil deflecting member and an upper surface portion separated from the lower surface portion by a predetermined dimension …
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
- Granted February 28, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 28, 2001.
- 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.