Foldable waterproofing structure
CA 1329709 C · Owner: Thompson, Peter James · Inventors: Thompson, Peter James; Martin, Timothy John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Structure comprising a membrane of a waterproofing pressure sensitive adhesive material with contiguous thereto, a layer of relatively rigid covering material so arranged and divided into segmenets that the structure can be folded at the divisions between the segments.
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
- Granted May 24, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 24, 2011.
- 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.