Prefabricated building wall structure
CA 2314065 A1 · Owner: Hubbard, Richard L. · Inventors: Hubbard, Richard L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A prefabricated structure for use in constructing a building wall including a first elongated joist extending horizontally and secured a ceiling of the structure, and a second elongated joist secured to a floor of the structure and extending in, horizontally and in parallel spaced apart fashion from the first joist. Each of the, first and second joists including a parallel extending and opposing face with a, recessed channel formed therein. A plurality of elongate and planar boards each, substantially rectangular in shape include first, second, third and fourth edges. The edges define in combination a first face and a second opposite face spaced from the first face by a determined …
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 18, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 18, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 18, 2022.
- 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.