Containment system for storage systems having discontinuities
CA 2425203 A1 · Owner: Nilex Construction Inc. · Inventors: Low, Gary; Watson, Collin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A system for sealing a liner about an internal member in a structural envelope, such as a liquid storage tank. A mechanical seal is located between the liner's first edge and the structural envelope and forms secondary containment between the structural envelope and the liner. A plate sealably attaches outside the outer perimeter of the mechanical seal to either the inner or, outer surface of the structural envelope and forms a continuous envelope extension from the liner to the discontinuity. The plate provides secondary containment between the continuous envelope extension and the structural envelope. Tertiary containment is achievable through use of a liner boot the, outer edge attached …
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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 April 11, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended April 11, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 11, 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.