Automatic depth control system and method
CA 2313376 A1 · Owner: Buchl, Andrew F. · Inventors: Buchl, Andrew F.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An automatic depth control system is disclosed. The system includes a Console and remote Controller mounted in the tractor cab power, beyond Valving, and Depth Sensors either ground contact or non-ground , contact mounted on the frame of the implement. The depth sensing system is provided to sense the actual penetration of an implement tool by determining the height of the, implement frame above the ground. A circuit system is provided to receive the depth signal and to signal power beyond valving that will effect hydraulic corrections in order to maintain the select depth penetration. The Console includes, an instrument panel having a toggle switch with AUTO LOCK and MANUAL. positions, …
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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 July 4, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 4, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 4, 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.