Structural member having a metal shell reinforced by a reinforcing plate
CA 2297015 A1 · Owner: Kim, Joong Shik · Inventors: Kim, Joong Shik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A structural member comprises an elongated hollow case (110) including at least two thin metal shells (112), each side end of the shells having a flange (114) along its entire length and the flanges facing each other to form the hollow case, at least one of reinforcing end piece (120) to be engaged with an end portion of the case, and a filler moulded into the case. A reinforcing plate (130) is attached by using an adhesive such as epoxy resin to an inner surface of each of the thin metal shells to improve a tensile strength of the structural member. In addition, the reinforcing plate is provided with at least one cut-out portion and an appropriate number of projections formed on a …
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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 20, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 20, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 20, 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.