Drag anchor
CA 1289820 C · Owner: Claesson, Hans · Inventors: Claesson, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention has as its object a drag anchor which is simple to manufacture and provides an effective grip in the bottom material where the anchor is to be used besides which, the anchor can be executed with very low weight. The invention, which relates most particularly to a drag anchor the shank of which is pivotally attached to its part which forms the fluke, is characterized in that its part which forms the fluke consists of a hollow body open at its front and rear end in the direction in which the shank is towed i.e. the direction of movement of the drag anchor which body, forms a mantle enclosing the rear part of the shank with an extension in the direction of movement of the drag …
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, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 1, 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.