Screening deck
CA 2546540 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 screening deck (100) for screening of material such as crushed stone, gravel or the like the screening deck (100) comprising screening elements (110a, 110b), and where at least one side of each screening element (110a 110b) is not parallel with a longitudinal direction (A) of the screening deck (100), and that the screening deck (100) includes at least two different types of said screening elements (110a, 110b) and that different screening elements (110a, 110b) are arranged at different heights in the screening deck (100) for creating narrowing passages or winding paths for the material on the screening deck (100).
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 January 19, 2005 and granted June 19, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended January 19, 2025.
- 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.