Frayless frangible connection for fabric and vertical blind system incorporating same
CA 2583684 C · Owner: Graichen, Claus · Inventors: Graichen, Claus
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A vertical blind assembly including at least one vertical blind panel the at , least one vertical blind panel including a plurality of partially opaque louvers, and a plurality of sheer transparent or translucent spacers. Each of the plurality of spacers is disposed between a respective pair of the plurality of partially opaque louvers. A substantially opaque auxiliary louver is disposed behind each one of the plurality of partially opaque louvers. A frangible hinge is disposed between each partially opaque louver and an adjacent spacer. A louver hook is attached to a top edge portion of each partially opaque louver, wherein each louver hook hooks over a top edge of a corresponding …
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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
- Filed October 7, 2005 and granted April 23, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 7, 2025.
- 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.