Patent ID: 9603778
Date: 2017-03-28
CPC Classifications: A61J

Claim:
1. An infant feeding system comprising: a bottle with a closed first end and a second end comprising an aperture that is configured to receive a liquid or semi-liquid substance into the bottle; a nipple comprising a vent system comprising a horizontal ledge that is attached to an end of the nipple that couples to the bottle of the infant feeding system, wherein the horizontal ledge comprises a plurality of channels on the underside of the horizontal ledge configured to enable air to flow into the bottle through a gap between a ring and bottle threads; and a flexible uninterrupted downward flap along an entire circumference of the horizontal ledge wherein the flap extends downward diagonally from the ledge to abut the inside surface of the bottle wall to create a seal when pressure on the inside and outside of the bottle is equal; wherein the flap moves off the inside wall of the bottle to allow air to enter from outside of the bottle through the space between the ring and the bottle threads through the channels in the horizontal ledge and then through a temporary gap created between the inside of the bottle and flap and into the bottle, when the pressure between the inside and outside of the bottle is not equal; a ring configured to enable the nipple to couple to the second end of the bottle; and a cap configured to couple to the second end of the ring and configured to couple to the first end of the bottle.