Sailing system
CA 1288004 C · Owner: Hamel, Renald · Inventors: Hamel, Renald
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A sail assembly for use with a hull comprising a, base and a mast mounted on the base for rotation about a vertical axis, the mast also extending at a mast tilt angle with respect to the vertical. A sail structure which includes a sail frame and a sail fixed to the frame at predetermined points of attachment, has its frame mounted on the tip of the mast by a universal joint and so that the tip of the mast is at, or close to the center of gra-, vity of the sail. A manually operable steering mechanism is provided on the mast, adjacent to the base and a, rigging, including steering ropes operatively joins the, steering mechanism and the sail frame at points of connection adjacent the aforesaid …
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 August 27, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 27, 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.