Soil preparation implement
CA 2316705 A1 · Owner: Clark Equipment Company · Inventors: Vought, Michael L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An implement for preparing a ground profile by extracting and optionally, windrowing debris from the ground profile and by generally planing the ground profile, includes a roller assembly having a ground engageable roller a drive , mechanism being in, mechanical communication with the roller for imparting rotational motion thereto. A first, frame assembly bas a first frame member the first frame member being operably coupled to, the roller and being disposed in a pivotal relationship with the roller about a first pivotal axis, a mount configured for attachment to a prime mover being operably pivotally coupled to the, first frame member along a second pivotal axis the second pivotal …
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, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 23, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 23, 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.