Expired Canadian patentCanada
Wall materials bracket and insulating wall structure
CA 2689037 C · Owner: Tsuda, Norio · Inventors: Tsuda, Norio; Fujito, Masami
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A wall materials bracket comprises a base piece 11 a catching piece 12, a spacing piece 13 and a holding piece 14. The holding piece 14 is formed outside of the spacing piece 13 and below the catching piece 12.
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 April 24, 2006 and granted October 16, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 24, 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.
FiledApril 24, 2006
GrantedOctober 16, 2012
Term endedApril 24, 2026
Patent numberCA 2689037 C
Classification (IPC)E04B1/38 +1 more
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.