Rope tightening device
CA 2040432 C · Owner: Boyland, Russell · Inventors: Boyland, Russell
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A device (10) to assist manual tightening of a rope passed over a load on a vehicle, In use the device {10) is first, attached to the rope by passing the rope front the upper side of the device (10) through guide (12) to the lower side then, passing the rope up into the tower notch (15) and over the upper side of the device (10) and into the upper notch {14) so that pulling the rope downwardly will secure the device (10) to the rope. Tensioning may then be achieved by forming a loop in a portion of the free end of the rope passing the loop, around a fixed anchorage site on the vehicle and locating a portion of the loop over the pair of arms (16) and (17). The free end of rope is then passed …
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 August 30, 1990 and granted June 12, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended August 30, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by August 30, 2012.
- 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.