Relocatable storage tanks for liquids and granular materials
CA 2466006 A1 · Owner: Chinook Concepts Inc. · Inventors: Hunt, Rowland D.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A relocatable storage tank (1) for flowable materials (19) such as liquids and granular materials comprising a bag of flexible material (3 4) resting on a , solid surface, together with at least one central post (6) which supports the upper portion (17) of the bag, wherein the post aids in carrying the weight of the flowable materials to the ground, thereby reducing the associated mechanical tensions in the fabric of the flexible material.
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 25, 2002. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 25, 2022.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 25, 2024.
- 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.