Spill inhibiting spout
CA 2268237 C · Owner: Messner, Marvin · Inventors: Messner, Marvin
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A spout for mounting on a liquid container to provide controlled dispensing of liquid therefrom includes a manual control for stopping the flow of liquid through a pouring tube and an automatic control to prevent spills due, to overfilling. Manual control over the amount of liquid flowing through the pouring opening of the spout is provided by a preferably tubular rod having a stop mounted at one end and a push button actuator at the other end of the rod. The spout includes a body with the pouring tube extending from one side and the push button for opening the stop to dispense liquid on the other side of the body. The automatic control is provided through a vent tube which extends through …
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 April 6, 1999 and granted March 11, 2003. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 6, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by April 6, 2021.
- 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.