Filter cloth retention
CA 2546944 C · Owner: Lydon, Richard Patrick · Inventors: Lydon, Richard Patrick; Maquet, Anthony
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Cloth Retention Apparatus for retaining the edges of a filter cloth (10) comprises an edge strip (12) having a bead (14) which can engage with a channel in a frame member (18), and be retained therein by a wedging member (22). The wedging member may be separate or attached to the bead (14) or , incorporated therein. The wedging member may be a spring member (111).
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 25, 2004 and granted June 5, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 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.