Pleated filter element with reusable mounting plate
CA 2348210 A1 · Owner: Bha Group Holdings, Inc. · Inventors: Clements, Jack T.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A filter cartridge for use in a filter apparatus having a tube sheet is provided. The filter cartridge has a tubular filter with opposite ends a , mounting cap and, a mounting plate. The mounting cap is secured to one end of the tubular filter and has a, first surface and a ledge extending from the tubular filter. The mounting plate has an, opening sized for receipt of the tubular filter. The ledge of the mounting cap overlies the, mounting plate when the tubular filter is received within the opening and the , mounting, cap is supported by the mounting plate to enable the first surface to engage the tube sheet, when the filter apparatus in operation.
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 May 23, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 23, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 23, 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.