Mowing rotary sawtoothed cutter
CA 1208024 A · Owner: Aono, Toshio · Inventors: Aono, Toshio
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A mowing rotary sawtoothed cutter adapted to be attached to a mower for mowing or cutting grass shrubs, or trees, which comprises a thin disk having a central hole, and a suitable number of triangular small cutting blades disposed around the outer periphery of the disk and having cutting edges extending from the apex of the triangle along the both lateral edges thereof half of, the small cutting blades facing in one direction and the residual half of the small cutting blades facing in the other direction. In a preferred embodiment the cutter, includes a plurality of large cutting blades in the form of a rectangle or the like having cutting edges on the opposite lateral edges thereof, and a …
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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 July 22, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 22, 2003.
- 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.