Concrete form system
CA 2243818 A1 · Owner: Eco-Block, Llc · Inventors: Moore, James D. Jr.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An insulated concrete form system including two longitudinally-extending side panels, each side panel having an exterior surface and an interior surface wherein the, interior surface of one side panel faces the interior surface of the other side panel and wherein the interior surfaces are laterally spaced apart from each other so that a cavity is formed therebetween, a longitudinally-extending wire re-bar disposed in the cavity formed between the side panels, and at least two connector members. The wire re-bar acts both as a bridging element between the two side panels and as the horizontal structural reinforcement of the concrete (or similar material) placed into the cavity between the …
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 23, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 23, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 23, 2020.
- 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.