Lawn mower
CA 1067297 A · Owner: Weed Eater · Inventors: Mitchell, Albert W.; Ballas, George C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, A rotary-type lawn mower is provided with cutting means comprised of a rotatable disc-like member having a plurality of flexible non-metallic cords projecting radially from its perimeter. The disc-like member is rotated within the cutting plane by a suitable power source such as a conventional gasoline-driven engine and, at a velocity such that the projecting cords function to sever the grass in a substantially conventional manner. The cords are therefore of a length and diameter which are functionally related to effective cutting and are mounted within the disc-like member in brackets formed to support the cords against vertical as well as lateral deflection resulting from …
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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 December 4, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 4, 1996.
- 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.