Z-shaped strut for door panel
CA 2290710 A1 · Owner: Raynor Canada Inc. · Inventors: Ostrovsky, Leonid; Friesen, Raymond J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A reinforced garage door panel construction comprises: i) a sandwich panel system having inner and outer skins with interconnecting insulating material, ii) a continuous reinforcing strip extending along an inner face of the inner skin and secured to the inner face iii) a modified "Z" shaped structural member extending substantially the length of the panel and secured to the inner skin at the continuous reinforcing strip by fasteners which extend through the skin and into the continuous reinforcing strip, iv) the modified "Z" shaped structural member having a web with an upstanding front flange and a depending rear flange the depending, rear flange having an inwardly extending lip extending …
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 November 26, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 26, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 26, 2021.
- 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.