Balanced multiwheel with variable guage wheelbarrow
CA 1279340 C · Owner: Frank, Jean-Pierre · Inventors: Frank, Jean-Pierre; Donze, Pierre
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wheelbarrow comprising a frame having two arms defining handles, supporting legs, a load container and wheel support structure. The center of gravity of the container is located substantially in vertical alignment with the axle in the operative position of the wheelbarrow. The axis is removably mounted in bearing. An abutment member is disposed at the front end of the wheelbarrow and extends transversely to each side of the longitudinal centerline of the wheelbarrow defines with a forward edge of the container a stable vertical storage position of the wheelbarrow. The wheel axle is adapted to accommodate different wheel arrangements for use on different kinds of ground or terrain.
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
- Granted January 22, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended January 22, 2008.
- 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.