Bottles and closure caps for the same

Claim 1

IN THE COMBINATION OF A BOTTLE HAVING A NECK RISING THEREFROM, SAID NECK BEING CYLINDRICAL AND TERMINATING IN AN ANNULAR MOUTH-DEFINING RIM PORTION, AN ANNULAR DOWNWARDLY FACING ABUTMENT ENCIRCLING THE NECK AT A POINT SPACED FROM SAID RIM, A CIRCUMFERENTIAL RADIAL BEAD EXTERNALLY OF THE NECK IMMEDIATELY BELOW SAID ABUTMENT, SAID BEAD HAVING A TRANSVERSE NOTCH OF RADIAL EXTENT ABOUT EQUAL TO THE RADIAL DEPTH OF THE BEAD, A RESILIENT SNAP-TYPE COVER CAP TELESCOPED OVER SAID NECK AND INCLUDING A PANEL AND ANNULAR DEPENDING ATTACHING SKIRT, SAID SKIRT HAVING AT ITS LOWER FREE END AND INTERNAL ANNULAR BEAD PROJECTING INTO THE SPACE BETWEEN SAID ABUTMENT AND ADJACENT NOTCHED BEAD AND SNUGLY CONTACTING THE ABUTMENT, SAID FREE END OF THE SKIRT SPANNING THE NOTCH AND BEING OF NO GREATER DIAMETER EXTERNALLY THAN THE EXTERNAL DIAMETER OF THE NOTCHED BEAD; THE IMPROVEMENT WHICH COMPRISES LOCK MEANS OFFERING ADDED RESISTANCE TO COVER CAP REMOVAL COMPRISING AN ANNULAR SERIES OF CIRCUMFERENTIAL EXTERNAL LUGS AT THE RIM END OF THE NECK EACH PROVIDING AN ABUTMENT FACING THE BOTTLE PROPER AND AN ANNULAR SERIES OF RIBS FORMED INTERNALLY OF THE CAP SKIRT FOR HOLDING ENGAGEMENT WITH THE ABUTMENTS.