Semi-submersible marine platform
CA 1194367 A · Owner: Adragem Limited · Inventors: Copson, Alexander G.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention concerns a semi-submersible marine platform comprising an above water deck a support, structure extending downwardly from the deck into the water and supporting the deck on means providing buoyancy for the platform, and stabiliser legs spaced around the support structure and outrigged underwater thereby or therefrom, each stabiliser leg being free to pivot under environmental forces about underwater universal pivot means and extending upwardly therefrom to project substantially above mean water level and provide a cut water plane area for imparting a righting moment against environmental forces acting on the platform.
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 October 1, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 2002.
- 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.