Vehicle
CA 2003254 A1 · Owner: Prime, Derek A. · Inventors: Prime, Derek A.; Foster, Derek W.; Thake, Jeremy R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Vehicle", "A vehicle comprising a first pair of ground engageable means carried on a first oscillating member which is pivotable about a generally horizontal axis relative to a second oscillating member which carries a second pair of ground engageable means and a stabilising system the stabilising system, comprising fluid operated actuator means connected between the oscillating, members to control oscillation therebetween about said generally horizontal axis, passage means to enable fluid to flow to and from a chamber of the actuator means, in response to oscillation of the members and valve means to control the flow of fluid along the passage means in a direction to control oscillation …
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 November 17, 1989. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 17, 2009.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 17, 2011.
- 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.