Roof repair strips and method for refurbishing wooden roofs
CA 2519082 C · Owner: Martin, Wallace · Inventors: Martin, Wallace
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Repair strips can be inserted between courses of shakes or shingles in a wooden shake or shingle roof. The repair strip has a thin upper edge for insertion into the interface between two courses of shakes or shingles. A lower part of the repair strip is structured to provide air channels on one or both of its top and bottom faces. Gripping members may be provided to hold the repair strips in place.
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 13, 2005 and granted February 12, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 13, 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.