Tractor-drawn seeding apparatus
CA 1097148 A · Owner: Ab Iggesunds Bruk · Inventors: Mickelsson, Sven M.; Hall, Sture R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Sven-Michael Mickelsson and Sture Ragnar Hall ABSTRACT OF THE DISCLOSURE, Seeding apparatus for use in connection with tractor-drawn seeding equipment, particularly reforesting equipment comprising, an inclined tubular member having one end pivotally connected to a thatching device or similar soil-breaking device at an elevated distance above the ground so as to yield returnably against torque in vertical and horizontal direction. The other end of the tubular member is provided with a terminal portion extending generally parallel to the ground and carries a tamping device for smoothing out and slightly compacting the seed bed. The seeds are ejected pneumatically at the rear of the tamping …
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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
- Granted March 10, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 10, 1998.
- 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.