Soil cultivating machines
CA 1090646 A · Owner: C. Van Der Lely N.V. · Inventors: Van Der Lely, Ary; Bom, Cornelis J.G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to soil cultivating machines which have a frame with a frame portion extending transversely of the intended direction of operative travel of the machine. The frame portion supports a plurality of cultivating members driven in, operation of the machine, about upwardly extending axes, behind the frame portion there is provided a tool bar for receiving tools. At least one ground engaging supporting member is mounted on the machine frame behind the tool bar so as to be adjustable in a direction of height and so as to be readily detachable.
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 December 2, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 2, 1997.
- 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.