A fixture for building boards, a building board having the fixture fixed thereto, and the method of fastening the building boards
CA 2333830 A1 · Owner: Watanabe, Morimichi · Inventors: Watanabe, Morimichi; Ito, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A plurality of engaging pieces each formed of washer (35) for instance are fixed to the rear surface of a building board (30). A plurality of elongated fixtures (10), each provided at the lower end thereof with an engaging tongue (20a) and at the upper end thereof with an engaging region (12a) designed to be engaged with the engaging tongue (20a), are engaged with the engaging pieces. The fixtures (10) thus engaged are directly fixed to the posts (1) or studs (2) of a building. Since each fixture (10) is provided with a rising portion (12), a ventilation space (Sc) is secured between the framework of the building and the rear surface of a building board (30). The coupling between upper and …
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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 February 1, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 1, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 1, 2023.
- 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
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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.