Chain or wire stopper
CA 2582754 C · Owner: Karmoy Winch As · Inventors: Hystad, Geir
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A stopper device (1) for chain (2) or wire especially for locking in position , an anchor chain tow wire or mooring wire, wherein the stopper consists of a pair of plates (3, 4) which can be pivoted up from the deck of a ship to be vertically positioned in a locked position relative to the deck so that the , plates (3, 4) form an angle (.alpha.) relative to each other and with a gap (6) between an area of adjacent plate edges (3'; 4') on the pair of plates wherein the gap is configured to match the thickness (t) of a chain link or a wire, wherein the pivoting movement of each plate is provided with the aid of a jack (7) in cooperation with a link mechanism (8; 9) and wherein the link , …
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 October 14, 2005 and granted May 15, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 14, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.