Powered riding vehicle for push carts
CA 2277707 A1 · Owner: Osborne, Michael · Inventors: Osborne, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pusher unit is provided for shopping carts or other similar carrying vehicles which, have a load area, non-castering rear wheels castering front wheels and a , pushing handle. The pusher unit is pivotally connected to a transverse bar at the rear of the cart, has its own, power source, motor and drive wheel, which wheel can rotate on a vertical axis. The operator, sits on a seat atop the pusher unit and grasps the cart's handle which is , provided with a, control unit giving the operator control over the direction of travel starting and stopping, and, the speed of travel. A linkage is provided between the cart and the pusher unit such that when, the operator steers the cart to change …
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 July 19, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 19, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 19, 2021.
- 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.