Four-wheel steering system for utility vehicle
CA 2402970 A1 · Owner: Ulschmid, Timothy Gerard · Inventors: Ulschmid, Timothy Gerard
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A four wheel steering system includes a frame that carries an axle that rotationally mounts a pair of front wheels via a pair of front pivotal wheel support, assemblies. For steering, the front pivotal wheel assemblies are pivotal with respect to the axle. The frame also carries a pair of rear wheels that are rotationally mounted to the frame via a pair of rear pivotal wheel support assemblies. For steering, the rear pivotal wheel assemblies are pivotal with respect to the frame about vertical axes. The front pivotal wheel support assemblies are connected together by a front axle tie rod. Steering by an operator causes expansion or contraction of a hydraulic cylinder arranged between one …
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 September 12, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 12, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 12, 2024.
- 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.