Freight carrier
CA 1099152 A · Owner: Howe, Dorothy E. · Inventors: Howe, Peter
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A freight carrier having a base structure forming a freight carrying platform which is provided at each corner with a corner post pivotally mounted for movement between an upright erect position and a folded position in which the post lies parallel to the platform. An interlocking mechanism is provided at each corner of the carrier to enable the carrier with the corner posts in their folded position, to be interlocked with a similar carrier which is stacked thereon and the interlocking mechanism includes a clamping arrangement to enable the stacked interlocked carriers to be clamped together. The interlocking mechanism is also arranged to lock an associated corner post in the erect position …
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 April 14, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 14, 1998.
- 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.