Methods and devices for filtering fluid flow through a body structure
CA 2390223 A1 · Owner: The Foundry Llc · Inventors: Dieck, Martin S.; Martin, Brian B.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An intravascular filter (2) having a filament (6) which expands a filter element (4). The filter filament (6) is a coil (20) which is stretched to reduce the diameter of the coil (20) for introduction. The filter element (4) is preferably biased toward the closed position and is opened by the coil (20) when tension is released on the coil (20). The filament (6) slides along the internal surface (19) of the filter element (6) so that the filter element (6) may assume intermediate positions.
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 2, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 2, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 2, 2022.
- 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.