Method of constructing a rigid structure upon the bottom of a water as well as lost casing for performing said method
CA 1258185 A · Owner: Darya Paye Jetty Co. Ltd. · Inventors: Masoudi, Ahmad
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention is a method and casing (1) constructing a rigid structure upon the bottom of the water. The casing to be used is a lost pillar casing of particular shape. It is larger at the bottom than at a higher level and preferably has been composed of flat plates into a polygonal cross sectional shape with similarity to multiple sided pyramid. It can be combined with wall casing slit into recesses of the pillar casings. Concrete is filled into the double walls and the interior of the pillar casings or between casings is filled with bulk stoney material.
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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 August 8, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 8, 2006.
- 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.