Liquid flow regulator for use in infusion sets
CA 2260880 C · Owner: Bron, Dan · Inventors: Bron, Dan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
There is provided a liquid flow regulator having a split housing, (2) including an upper portion (4) connectable to a source of liquid to be dispensed, the upper portion having an inlet port (10) and a lower portion engaging the upper portion and having a control output port leading to the consumer of the liquid an elastically deformable, diaphragm (32) disposed in the housing (2) and defining with a bottom surface of the upper housing portion a first chamber (34) and with a bottom surface of the lower housing portion in which the ouptut control port (24) is made, an output control chamber (36) and, a tubular flow attenuator (42) disposed in the housing (2) forming, a liquid flow path …
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 July 23, 1997 and granted October 9, 2001. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 23, 2017.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 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
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.