Building components
CA 1189719 A · Owner: Bpb Industries Public Limited Company · Inventors: Pilgrim, Thomas A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to building components (10) for, example studs for supporting wall boards made of a plaster-resin, mixture, with a fibrous sheet (13) embedded near the surface. Such components can also be used for example, as ceiling panels, or acoustic tiles for which purposes they may be of hollow or channel form, and be filled with fibrous or other porous material. Components according to the invention have excellent fireresistant properties. Such components can be made by for example, introducing a plaster-resin slurry into a mould lined with fibrous sheets, and allowing the slurry to set or they may be made, continuously by, for example passing the slurry and sheets, through one …
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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
- Granted July 2, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 2, 2002.
- 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.