Vented teat
CA 2603355 C · Owner: Mayborn (Uk) Limited · Inventors: Samson, Ilan Zadik
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A teat for a feeding bottle has a one-way valve 16 located remotely from the nipple of the teat to allow air to enter the feeding bottle to replace liquid sucked out of the bottle through the nipple while preventing liquid from leaking from the bottle. The one-way valve 16 comprises an inwardly-oriented depression having opposed mutually inclined sidewalls lea and 16b meeting along a ridge having a slit. In the invention when undeflected, the side , walls lea and 16b make line contact with one another at the ridge and the thickness of the side walls is less than 0.4 mm so that when acted upon by an , increased pressure in the feeding bottle the side walls collapse against one , …
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 March 31, 2005 and granted August 21, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 31, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
- 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.