Collapsible hand truck
CA 1325444 C · Owner: Bielefelder Kuchenmaschinen -Und Transportgerate-Fabrik Vom Braucke Gmbh · Inventors: Vom Braucke, Hans; Vom Braucke, Manfred
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A hand truck comprises a frame having upper and lower frame parts which can be pivoted between folded and unfolded positions. Pivotable locks retain the frame parts in both such positions. A pair of wheel braces are attached to the lower frame part for rotation between folded and unfolded positions. A carrier member is mounted to the lower frame part for rotation between folded and unfolded positions. The carrier member locks the wheel braces in their unfolded positions. The wheel braces carry tires which frictionally engage the carrier member to retain the wheel braces in their folded positions. The portion of the lower frame part which carries the wheel braces and carrier member can be …
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 December 21, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 21, 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.