Floating wave absorber
CA 2073273 A1 · Owner: Niimura, Masateru · Inventors: Niimura, Masateru
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A floating wave absorber is composed of a main wave-absorber body formed by a construction body floating on the surface of water, wires of which each one end is connected to an end portion of the main wave-absorber body a first traction member of which one end is connected to the other bound and portion of each wire and the other end is fixed to an anchor, and a second traction member of which one end is connected to the bottom of the main wave-absorber body and fixed to another anchor. The main wave-absorber body is floated on the water according to a so-called "kite flying" principle and absorbs waves. Thus the wave, absorber is more advantageous in economic performance and free from …
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 July 7, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 7, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 7, 2014.
- 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.