Folding closure assembly
CA 1289054 C · Owner: Dagenais, Robert · Inventors: Dagenais, Robert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A folding closure assembly has fewer components than existing designs and provides hinges Which do not have to extend for the full height of the assembly and thus require less opening and closing force. The assembly comprises adjacent panels joined by a one piece vertical hinge member, and top roller supports positioned at the center of every second panel for supporting the foldable closure assembly in a top support track, the one piece vertical hinge member extending from top to bottom of the panels and having a cross section with two semi-circular grooves with a single opening for each groove, the opening for each groove being on opposing sides of the hinge member each of the …
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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 September 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 17, 2008.
- 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.