Weed harvester
CA 1293128 C · Owner: Desrosiers, Joseph Armand · Inventors: Desrosiers, Joseph Armand
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A harvester for plants and weeds particularly, aquatic plants, pulls the plants by winding them onto a rotating, endless cable. Tension in the cable is controlled and an operative portion of the cable is positionable for varying its height and angle to the horizontal. The harvester is mountable on a boat having an adjustable freeboard and multiple, individually driven retractable, paddle wheels provide maximum maneuverability during use and compactness during transport.
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
- Granted December 17, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 17, 2008.
- 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.