Patent ID: 8146759

Claim:
A nursing bottle assembly for feeding infants, and including a container, said container having a closed bottom end, a top end have an opening therein for receiving liquid into the interior of the container, a rim at the top end of the container also with an inner diameter defining the size of the opening, a threaded collar, a nipple, said container being at an angle to the longitudinal axis of said nipple, a vent insert to generally close and to ventilate the interior of the container during usage, said vent insert sealing to said container by said collar, a reservoir, said reservoir being of generally hollow cylindrical shape with an open top that connects with the vent insert, and a smaller opposite bottom end, said reservoir having a spout beneath communicating with said lesser diameter of said reservoir, said spout, reservoir, and nipple being axially aligned in their assembly, a vent tube, said vent tube being of conical shape, and at its upper end connecting with said spout, the opposite end of said vent tube extending into proximity with and generally near the bottom of said container, the upper part of said container being axially aligned with the longitudinal axis of said nipple and reservoir, a bottom part of the container being angled from the longitudinal axis of said reservoir at approximately between 15° to approximately 25° angle, said angled bottom part of the container being axially aligned with the angled vent tube to provide a nursing bottle that has a bottom part that is vertical arranged, and an upper part and reservoir, spout, and nipple that are angled relative to said bottom part of container.