Catheter with improved extension tube
CA 2198060 A1 · Owner: Musgrave, Kenneth C. · Inventors: Howell, Glade H.; Crawford, Mark A.; Musgrave, Kenneth C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to a catheter having an improved extension tube. This extension tube has a height to width ratio of between about 1:1.25 to about 1:3. This ratio provides an extension tube that is flexible for improved patient comfort that allows greater, visualization of fluid flowing therethrough and that does not kink during use.
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 February 20, 1997. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended February 20, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by February 20, 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
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.