Suction cup clamp hanger
CA 2020684 A1 · Owner: Theriault, Yves · Inventors: Theriault, Yves
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The new Suction Cup Clamp Hanger uses a suction cup and the attraction of two magnets to generate a friction force, to hang up posters and placards to windows or other high gloss surfaces. The device does not deteriorate the sign material or the mounting surface. The device keeps the sign at a certain distance from the window to allow air circulation between the placard and the mounting surface. The new clamp can retain placards made of paper, cardboard, plastic, metal, glass wood and, composites. The clamp is opened by peeling the flexible magnetic strips apart. The holding force of the clamp depends on the thickness of the placard and the dimensions of the magnets. Several clamp hangers …
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 July 9, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 9, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 2012.
- 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.