Filter element
CA 2397928 A1 · Owner: Denys, Geert · Inventors: Devooght, Geert; Denys, Geert
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A high temperature liquid or gas filter element is provided comprising a , pleated sintered metal fiber fleece. This sintered metal fiber fleece is positioned and squeezed between two or more parts of an external wall of the filter element. This to close the pleat openings and so preventing by-pass of , non-filtered liquid or gas.
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 14, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 14, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 14, 2023.
- 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.