Non-contact controlled micropump
CA 1237600 A · Owner: Sakurai, Koichi · Inventors: Ichikawa, Kenji; Ikeda, Shoichiro; Ito, Kaname
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
TITLE OF THE INVENTION:, NON-CONTACT CONTROLLED MICROPUMP ABSTRACT OF THE DISCLOSURE:, A micro pump disposed within a human body for continuously delivering small quantities of a pharmaceutical liquid stored therein to be injected in a human body, wherein the delivery rate is controlled by the action of a pharmaceutical liquid injection control device in response to external electric signals.
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
- Granted June 7, 1988. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 7, 2005.
- 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.