Bottle and safety snap cap therefor

Claim 1

IN COMBINATION, A BOTTLE HAVING A MOUTH DEFINING NECK RISING THEREFROM, SAID NECK FORMED WITH AN ANNULAR DOWNWARDLY FACING CLOSURE RETAINING ABUTMENT SPACED FROM THE MPUTH END, A CIRCUMFERENTIALLY EXTENDING RADIAL BEAD EXTERNALLY OF THE NECK IMMEDIATELY BELOW SAID ABUTMENT AND OF GREATER RADIAL EXTENT THAN SAID CLOSURE RETAINING ABUTMENT, SAID BEAD BEING OF REDUCED RADIAL EXTENT IN AT LEAST ONE AREA TO PROVIDE A TRANSVERSE NOTCH OF RADIAL EXTENT GREATER THAN SAID CLOSURE RETAINING ABUTMENT BUT LESS THAN THE RADIAL EXTENT OF THE REMAINDER OF SAID BEAD, A RESILIENT CLOSURE TELESCOPED OVER SAID NECK, SAID CLOSURE INCLUDING A TOP PANEL PORTION, AN ANNULAR SKIRT DEPENDING FROM SAID TOP PANEL, THE RADIAL EXTENT OF SAID SKIRT BEING NOT GREATER THAN THE RADIAL EXTENT OF SAID TRANSVERSE NOTCH, SAID SKIRT HAVING AN INWARDLY DIRECTED BEAD FORMED INTEGRALLY THEREWITH FOR HOLDING ENGAGEMENT WITH SAID ABUTMENT AND PROJECTING INTO THE SPACE BETWEEN SAID ABUTMENT AND SAID BEAD, A TAB EXTENDING RADIALLY OUTWARDLY FROM THE LOWER MARGIN OF SAID SKIRT, THE RADIAL EXTENT OF SAID TAB BEING GREATER THAN THE RADIAL EXTENT OF SAID TRANSVERSE NOTCH BUT NOT GREATER THAN THE RADIAL EXTENT OF THE REMAINDER OF SAID BEAD, SAID CLOSURE BEING ROTATABLE RELATIVE TO THE NECK OF EFFECT REGISTRATION OF THE TAB WITH SAID TRANSVERSE NOTCH.