Wooden building member
CA 2872738 C · Owner: Shelter Co. Ltd. · Inventors: Adachi, Hiroyuki; Kimura, Kazuyoshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wooden building member includes an elongated structural portion having a rectangular cross section and capable of receiving load applied thereto a coating portion coating an entire length of at least three sides of the cross section of the structural portion and an insulating portion interposed therebetween in a laminated manner and prevents load from transmitting to the coating portion. Since load is received by the structural portion structural strength designing is facilitated and even if the coating portion is completely burned down. the structural portion coated with the insulating portion is not easily burned down. Thus fireproof capability of the wooden building member can be …
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 August 8, 2006 and granted March 28, 2017. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 8, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.