Digging and planting machine
CA 1108016 A · Owner: Mo Och Domsjo Aktiebolag · Inventors: Ekeborg, Bo G.; Lofgren, Stig-Gunnar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A digging and planting machine is provided having a tubular digging and planting tool, and at least one sensing and signalling means for sensing the resistance below and/or exceeding a predetermined minimum of the ground to penetration by the digging tip of the tool thus, gauging the condition of the ground and detecting obstacles to such, penetration 50 as to ensure that the digging tip provides and a plant is fed to a planting hole of the desired depth when ground condition is suitable, and when ground condition is not suitable, that a digging attempt is aborted and a new attempt made as soon as possible.
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 September 1, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 1, 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.