Process for combined pleating of filter media and molding of filter assembly
CA 2360294 A1 · Owner: Filtertek Inc. · Inventors: Kandel, Edward
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of manufacturing a pleated filter assembly comprising a pleated filter and a plastic frame member that encases or captures an edge of the pleated, filter media utilizes at least two plastic injection mold halves that mate to pleat the, filtration media and provide a cavity for injecting plastic resin therein to create at, least a portion of the plastic frame member that captures or encases the filter, media, among other things.
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 26, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended October 26, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by October 26, 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.