Hand trolley
CA 1318700 C · Owner: Storay, Craig Francis · Inventors: Baldini, John Anthony; Storay, Craig Francis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand trolley for lifting and moving an object comprises a support frame for the object and a wheel assembly coupled to the support frame by means of a link arm 33 on each side of the trolley. Each link arm is connected at one end to the axle 31 of the wheel assembly and pivotally connected at the other end to the support frame. In a carry position of the trolley at which the, object is supported on the wheel assembly the link arms, 33 are located in a locked position so as to lock together the wheel assembly and the support frame when an operator pulls the trolley rearwardly over an obstacle.
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 June 1, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 1, 2010.
- 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.