Scaffolding
CA 1310041 C · Owner: Preston, John C. · Inventors: Preston, John C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stackable scaffold module having four vertically extending support members to which there is pivotally attached at least two work platforms, there is further provided pallets to receive the scaffold module when folded and clamps which retain the work platforms fixed to the support columns, when the module is in an erect configuration. The clamps are releasable to allow folding of the module to a transport configuration with the support, members being located adjacent each other.
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 November 10, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 10, 2009.
- 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.