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Expired Canadian patentCanada

Balanced multiwheel with variable guage wheelbarrow

CA 1279340 C · Owner: Frank, Jean-Pierre · Inventors: Frank, Jean-Pierre; Donze, Pierre

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract 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.

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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 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.
FiledSeptember 22, 1986
GrantedJanuary 22, 1991
Term endedJanuary 22, 2008
Patent numberCA 1279340 C
Classification (IPC)B62B1/18

Timeline

Timeline From CIPO dates

19871990199319961999200220052008Application filedSep 22, 1986Patent grantedJan 22, 1991Term endedJan 22, 2008

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.