Wind and water resistant back wrap roof edge termination
CA 2889407 C · Owner: Kelly, Thomas L. · Inventors: Kelly, Thomas L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Disclosed herein is an assembly that relates to a roof assembly comprising at least one first waterproof membrane for covering a building roof and a stiff member sealed within at least one second waterproof membrane. The stiff member being substantially aligned with a perimeter of the building roof and the first waterproof membrane being sealedly attached to the second waterproof membrane. The stiff member being attached to a structure of the building by a plurality of fasteners.
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 September 20, 2006 and granted May 8, 2018. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2026.
- 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.