Elongated filter system, filter element therefor and methods of making same
CA 2242990 A1 · Owner: Belden, Donald E. · Inventors: Belden, Donald E.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An elongated filter system is provided which comprises an elongated filter alignment means (11), a filter attachment means (16) and an elongated filter (90). The elongated filter attachment means (16) is removably attached to the filter alignment means (11). The elongated filter alignment means has a means (102) on one end to secure the elongated filter (90) thereupon in fluid communication with a fluid passageway (22) disposed in the filter attachment means (16). The means for attaching the elongated filter (90) comprises a yoke (102) having an outer peripheral area (103) in sealing engagement with the filter (90). The elongated filter alignment means (11) may comprise a central …
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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 23, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended January 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by January 23, 2019.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.