Collapsible ladder assembly
CA 1237401 A · Owner: Rodrigue, Denis · Inventors: Rodrigue, Denis
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Collapsible ladder assembly comprising a ladder storage container having, in closed condition a fixed, upright rear wall, an upright front wall and bottom and top walls joining the front and rear walls a col-, lapsible ladder being held within the container with its top end secured to the container rear wall. The top wall is made up of a rearward section solid with the rear wall and a frontward section projecting from the front wall, a mechanism releasably locking the top wall sections together. The bottom wall is hinged to the rear wall and to the front wall while the latter is also hinged to the frontward section of the top wall the, hinges allowing the walls to pivot about horizontal …
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 May 31, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 31, 2005.
- 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.