Rigid sidewall for recreational vehicle
CA 2072948 A1 · Owner: Kauffman, Ira H. · Inventors: Ratliff, Homer; Kauffman, Ira H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rigid wall construction is provided for conventional fold-down campers wherein a camper shell is comprised of a frame having a plurality of walls of substantially equal height, at least two of which form opposing lower sidewalls. Attached to an upper edge of each sidewall is a hinged footwall having an upper hinged plate and a pendulate support member. The hinged upper plate of the footwall is coupled to a sidewall formed from a lightweight yet rigid material. The sidewall rotates about the hinge coupling with the footwall from a recumbent position within the closed shell to a vertical position above the footwall once extended. As the sidewall is extended, the pendulate support member …
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
- Filed July 2, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 2, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 2, 2014.
- 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.