Combination bottle and bottle stopper

Claim 1

THE COMBINATION OF A GLASS BOTTLE FOR THE PACKING OF TABLETS, PILLS OR THE LIKE, AND A HOLLOW STOPPER WHICH IS IN SEALING-TIGHT RELATIONSHIP IN THE BOTTLE MOUTH, SAID STOPPER BEING MADE OF FLEXIBLE PLASTIC, SAID BOTTLE HAVING A NECK, SAID NECK HAVING AN ANNULAR RECESS IN THE INTERIOR THEREOF AND EXTENDING AROUND SAID NECK ALONG A PLANE NORMAL TO THE AXIS OF SAID NECK, SAID RECESS HAVING A CYLINDRICAL OUTER PORTION THEREIN, SAID STOPPER HAVING A CAP AND A DEPENDING SHANK, SAID SHANK BEING OF SUBSTANTIALLY CONSTANT THICKNESS AND HAVING SUBSTANTIALLY CIRCULAR CROSS-SECTION, SAID SHANK HAVING A FIRST OUTWARDLY TAPERED PORTION CONNECTED TO A SECOND PORTION OF GREATER OUTWARD TAPER, SAID SHANK FURTHER INCLUDING A THIRD PORITON OF LARGE INWARD TAPER CONNECTED TO SAID SECOND PORTION, AND A FOURTH PORTION OF SMALLER INWARD TAPER CONNECTED TO SAID THIRD PORTION, SAID SECOND SAID THIRD PORTIONS EXTENDING INTO SAID ANNULAR RECESS ENGAGING RESILIENTLY WITHIN SAID RECESS ELASTIC DEFORMATION WITHOUT TOUCHING THE CYLINDRICAL OUTER PORTION OF THE RECESS.