Portable boom for agricultural machine
CA 2416677 A1 · Owner: Hundeby, David R. · Inventors: Hundeby, David R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention is a portable boom and is a lifting device attached to an agricultural machine, used for carrying and distributing particulate material like seed fertilizer , or other granular, products that are used in the agricultural industry. These agricultural machines are, commonly called air carts air seeders or air drifts. The portable boom is used to tiff mini-, bulk bags or containers from their storage location or from a transport vehicle used to carry, the bags or containers to the location of the air cart in the field. After the bags or containers, have been lifted off the transport vehicle they can be located over the , intake end of the portable loading device on the air …
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 February 13, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 13, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 13, 2025.
- 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.