A cutting tool
CA 2177370 A1 · Owner: Swing Cut Ab · Inventors: Rosdahl, Hans
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A cutting tool for use with a brush cutter trimmer or like device (1) for cutting thicket grass and like vegetation wherein the device includes a rotary shaft (3) for receiving a cutting tool which includes a rotatable centre disc (6) which can be fitted to the tool and which includes cutting blades (9) having a cutting edge (10) along the front side of the blade as seen in the direction of rotation wherein each, individual cutting blade (9) is bent down through a first angle (v) such that the rear edge of the cutting blade (9) will be located closer to the ground than the edge-provided front side (10) of the blade when the centre disc is held parallel with the ground so that as the centre, …
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 November 30, 1994. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 30, 2014.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 30, 2016.
- 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.