Metal channel for wall panels
CA 2354493 A1 · Owner: Cherry, Jonathan · Inventors: Humpage, Roy; Cherry, Jonathan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A metal channel for positioning and retaining metal studding and wall panels to form partition walls comprising a central web (1) with retaining flange portions (2,3) along its opposite sides. The web (1) is segmented, being divided along its length into discrete segments (4) by transverse slots (5). One of the flange portions (2) is similarly divided into segments (9) by transverse slots (7) aligned with the slots (5). Adjacent segments (7) of the flange portions (2) are however connected together by expansible bridges (10) and optionally by frangible bridges (12). The other of the flange portions (3) is provided with lines of perforations (11) aligned with the slots (5 and 7) and defining …
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 1, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended August 1, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 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
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.