Vehicle, more particularly agricultural machine comprising ground-engaging wheels or an implement resiliently suspended to the frame
CA 1265166 C · Owner: Multinorm B.V. · Inventors: Mijnders, Gijsbert Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An agricultural machine comprises a frame at least, one ground-engaging wheel and an implement. The wheel or the implement is suspended by springs to the frame. Each ground wheel or implement is suspended by a gas spring in which the prevailing gas pressure may differ from the gas pressure prevailing in a further gas spring. Control-means are provided for controlling the pressures prevailing in the gas springs. Angle-detecting means are provided for detecting the angle between the drawbar and the frame and for governing the control-means.
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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
- Granted January 30, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 30, 2007.
- 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.