Infant feeding bottle

Claim 1

AN INFANT FEEDING DEVICE COMPRISING: A CONTAINER FOR INFANT FOOD; A CURVED TUBULAR SECTION DETACHABLY CONNECTED TO SAID CONTAINER ON ONE END AND DETACHABLY CONNECTED TO A FOOD DISCHARGING ELEMENT AT THE OTHER END AND HAVING A THREADED HOLE THROUGH ITS WALL IN THE CURVED PORTION THEREOF HAVING THE LARGEST CURVATURE AT A POINT NEARER THE CONNECTION TO SAID CONTAINER SO THAT WHEN IN A RELATIVELY HORIZONTAL POSITION WITH THE FOOD DISPENSING ELEMENT POINTING GENERALLY DOWNWARD, THE SAID THREADED HOLE WILL BE AT THE UPPER DIRECTION; AND A THREADED PLUG HAVING A TAPERED GROOVE THEREIN LOCATED IN SAID THREADED HOLE SO THAT SAID PLUG MAY BE SCREWED INWARDLY OR OUTWARDLY AND SO THAT SAID GROOVE WILL INTERCOMMUNICATE FROM THE INTERIOR TO THE EXTERIOR OF SAID CURVED TUBULAR SECTION IN SUCH MANNER AS TO REGULATE AN AMOUNT OF AIR WHICH CAN PASS THROUGH SAID GROOVE FROM THE EXTERIOR TO WHICH CAN PASS THROUGH SAID GROOVE FROM THE EXTERIOR TO THE INTERIOR OF SAID CURVED TUBULAR SECTION, THE SAID GROOVE AND THE AIR PASSAGE FROMED THEREBY BE LOCATED AT THE ELEVATIONAL POSITION DESCRIBED SO THAT LIQUID OR FOOD WITHIN THE CONTAINER AND FLOWING THROUGH THE SAID TUBULAR SECTION WILL NOT FLOOD SAID GROOVE AND INTERFERE WITH THE AIR PASSAGE.