Floating platform structure
CA 1284919 C · Owner: Olsen, Fred · Inventors: Olsen, Fred; Natvig, Birger J.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A buoyant support unit and platform employing the same which includes at least five substantially cylindrical floatable pipes having a diameter of less than about 5 meters which are arranged parallel to each other in spaced-apart relationship, wherein the edge to edge distance between adjacent pipes is from 0.25 to 2.0 times the diameter of the pipe.
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 June 18, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 18, 2008.
- 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.