Filled packaging and dispensing container

Claim 1

A FILLED PACKAGING AND DISPENSING CONTAINER COMPRISING A BOTTLE HAVING A SUSBTANTIALLY CYLINDRICAL BODY PORTION, A RESTRICTED NECK AND A SHOULDER PORTION DEFINING A TRANSITION BETWEEN SAID BODY PORTION AND SAID NECK, REMOVABLE CLOSURE MEANS ON SAID NECK, A QUANTITY OF MEDICAL OIL FILLING SAID BOTTLE AND HAVING ITS SURFACE WITHIN SAID NECK WHEN THE BOTTLE IS IN AN UPRIGHT POSITION, AND A SUBSTANTIALLY DISC-SHAPED FLOAT HAVING OPPOSITE SIDES AND A PERIMETRIC EDGE SUBMERGED IN SAID OIL AND COVERING THE INTERIOR CROSS-SECTIONAL AREA OF SAID BODY PORTION EXCEPT FOR A SMALL CLEARANCE, WHEREBY SAID FLOAT IS WITHHELD BY SAID SHOULDER PORTION FROM FLOATING TO SAID SURFACE, SAID CLEARANCE BEING SUFFICIENT TO PERMIT THE FLOAT TO MOVE FREELY WITHIN SAID BODY PORTION ON TILTING MOVEMENTS OF THE BOTTLE AND, AFTER A PARTIAL DISCHARGE OF THE OIL, TO FLOAT ON THE SURFACE OF THE OIL IN UPRIGHT AND INCLINED POSITIONS OF THE BOTTLE WHILE AT THE SAME TIME BEING WITHHELD BY SAID SHOULDER PORTION SO AS TO REMAIN ENTRAPPED IN THE BOTTLE WITHOUT BEING WEDGED IN THE NECK, THE SHAPE OF SAID FLOAT BEING SUBSTANTIALLY SYMMETRIC ABOUT A HORIZONTAL PLANE AND TAPERING TOWARDS THE PERIMETRIC EDGE WITH AN INCLINATION PERMITTING ANY OIL THAT REMAINS ON THE TOP OF THE FLOAT AFTER DISCHARGE TO FLOW OFF TO THE PERIMETRIC EDGE, AND AT LEAST ONE PROJECTION ONEACH SIDE OF THE FLOAT HAVING OPPOSITE END PORTIONS LOCATED INWARDLY OF THE PERIMETRIC EDGE FOR PREVENTING THE FLOAT FROM CLOSING THE NECK UNTIL AN INITIAL SMALL QUANTITY OF OIL HAS BEEN DISPENSED.