Expired Canadian patentCanada
Non-asphaltic peel and stick roofing product for faster installation
CA 2590630 C · Owner: Building Materials Investment Corporation · Inventors: Larson, Timothy; Mehta, Vinay
Overview
Drawings and full text
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention provides a non-asphaltic peel-and-stick roofing membrane (10) for quicker and easier installation to a roof substrate as well as a , method of manufacturing the membrane (10).
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 October 4, 2005 and granted March 26, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 4, 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.
FiledOctober 4, 2005
GrantedMarch 26, 2013
Term endedOctober 4, 2025
Patent numberCA 2590630 C
Classification (IPC)B32B7/06 +2 more
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.