Material collection system
CA 2082987 A1 · Owner: Kettler, Daniel J. · Inventors: Kettler, Daniel J.; Sebben, Daniel A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A material collection mechanism coupled with a mowing vehicle and having a container mechanism or flexible bag for receiving air and air-borne material, and within which the material may accumulate. A support mechanism is coupled with an attachment mechanism and extends upwardly therefrom for supporting the container. The support mechanism includes a generally vertically extending chamber for rigidifying the support mechanism, and is also adapted to receive air from the container for channeling the air downwardly for discharge adjacent to the ground. An attachment mechanism is provided for coupling the material collection mechanism with the vehicle. A mechanism is provided for maintaining …
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 16, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 16, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 16, 2014.
- 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.