Materials handling vehicle
CA 1304299 C · Owner: Herbert, Paul Francis · Inventors: Andrew, Robert John; Frost, Roger Anthony; Herbert, Paul Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Title: Materials handling vehicle A materials handling vehicle having two pairs of ground wheels movable to effect steering of the vehicle, the wheels of each pair being mounted at opposite sides of the vehicle chassis, at least one pair of wheels being locakable in a position so that sterring is effected solely by the other pair ofwheels wherein sensor means are provided associated with each of the two pairs of wheels to provide an electrical signal to a control means when the respective wheels are in an aligned position in which their axes of rotation are perpendicular to a longitudinal axis of the vehicle the control means, including a selector means comprising electrical switch means to …
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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 June 30, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 30, 2009.
- 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.