Bulk load device
CA 2543734 C · Owner: Malmberg, Mats · Inventors: Malmberg, Mats
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A funnel assembly (100) for vertical downward transportation of bulk material (130) comprises a row of tunnel elements (110 410). An assembly of frames , (175) holds the funnel elements (110 410). The frames (175) are , interconnected by means of vertical wires (180 180~) and by connecting means , (190) connecting adjacent frames (175).
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 October 25, 2004 and granted September 10, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended October 25, 2024.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.