Finboard
CA 2276926 A1 · Owner: Tomosy, Thomas E. · Inventors: Tomosy, Thomas E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The finboard is a muscle powered personal water craft comprising an elongated buoyant body (the board) and two horizontal fins attached to said body by elastically restrained hinges. When the board is in use, the user stands on its deck balancing and controlling it by the help of a vertical shaft securely attached to said deck terminating in a horizontal handle bar. Forward motion is achieved by the user lowering and raising his center of gravity by flexing his knees repeatedly. The board in reaction to the periodic downward momentum reacts by, alternately sinking deeper into the water then rising higher again. The fins, due to the resulting hydrodynamic pressure against their surfaces, …
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 9, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended July 9, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 9, 2021.
- 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.