Earthquake-proofing reinforcing metal fitting
CA 2365613 A1 · Owner: Nippon Eisei Center Co. Ltd. · Inventors: Iwakawa, Toru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An earthquake-proofing reinforcing metal fitting for reinforcing a wooden building by attaching it to the joint part of a building structural material such as a foundation, a column, a beam a girder, and others so that the , wooden building is not collapsed even if a strong vibration is applied to it by an earthquake or a typhoon, comprising a reinforcement base material (1) formed by forming fixed pieces (11, 11) by twisting and bending both end parts of a plate material made of high tensile steel in one direction and by forming a bent dwelled part (13) or a curved dwelled part (14) at its intermediate part and a damping member (2) having rubber elasticity wherein, the , reinforced …
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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 January 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 25, 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.