Tissue pressure measuring device
CA 1114199 A · Owner: Kendall Company (The) · Inventors: Layton, Terry N.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A tissue pressure measuring device comprising a hollow, needle and a conduit communicating with the needle at a distal end thereof, with the conduit having a lumen and including a transparent portion having a reference marking. The device has a syringe having a plunger, an outer wall defining a chamber a, barrel received in the chamber and defining a cavity to slidably receive the plunger in sealing engagement with an inner surface of the barrel and permit movement of the plunger between inner and outer positions of the plunger relative to the barrel. The chamber and cavity have a combined volume substantially greater than the volume of the cavity, and the plunger has reference indicia …
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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
- Granted December 15, 1981. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 15, 1998.
- 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.