Demountable portable reservoir structure
CA 1207970 A · Owner: Columbia Reservoir Systems (1977) Ltd. · Inventors: Collins, James B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A demountable portable reservoir structure and method of erecting same. The reservoir structure has elements including a plurality of flat, elongated base plates a plurality of, similar rigid rectangular wall panels to be vertically seated on the base plates, the plates and panels forming a ring. A column vertically positioned within the base plates and wall panels and a plurality of trusses are supported by and secured to the column and panels. A flexible liner is connected to the inside surfaces of the panels and provides an impermeable barrier on the area circumscribed by the panels to a desired height. Means are provided enabling controlled liquid flow through the flexible liner when in …
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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
- Granted July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.