Crop damage preventing apparatus
CA 2203940 A1 · Owner: Beaujot, Norbert F. · Inventors: Beaujot, Norbert F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A combination is provided herein to enable a vehicle to traverse ground covered by any type of plant with a minimum of damage resulting thereto. The combination is generally formed as a wheel(s), or endless flexible belt, or a ground contacting device to be mounted on an existing wheel, wherein each is provided with ground contacting points that are of various shapes and have a proximal end for mounting and a somewhat rounded or flattened distal end for displacing the plants as the apparatus is moved forward. The ground contacting points also generally include trailing and leading surfaces that generally converge as they extend away from the mounting end. The sloping of the leading surface …
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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 April 29, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 29, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 29, 2019.
- 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.