Plaster/stucco application and restoration methods and fastener systems for use in those and other methods
CA 2475642 A1 · Owner: Rodenhouse Inc. · Inventors: Rodenhouse, Robert H.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
According to the present invention, a fastener system is provided having an anchor (20) and a washer (40). The anchor includes an upset stud shaft (28) to which the washer is attached. The fastener system is preferably used in the inventive method of restoring/applying cladding such as plaster or plasterlike materials such as stucco. According to the inventive method the anchors , of the fastening system are driven into the building structure before application of a moisture barrier membrane. After application of the membrane a support mesh (90) is secured to the anchors using the washers (40). This allows the membrane to provide a watertight seal around the fasteners. The inventive …
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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 February 10, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 10, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 10, 2025.
- 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.