Pouring spout construction

Claim 1

THE COMBINATION OF A SCREW THREADED CAP AND A COOPERATING ROTATABLE ELEMENT MOUNTED THEREIN, SAID CAP COMPRISING SPACED OPPOSED CONCAVE CONICALLY SHAPED WALLS AND A CIRCULAR INNER WALL JOINING SAID SPACED WALLS, AN OPENING THROUGH SAID CIRCULAR INNER WALL AT THE LOWEST PART THEREOF, OPPOSED HOOKS EXTENDING TOWARD EACH OTHER FROM SAID SPACED WALLS AND HAVING CIRCULAR OUTER SURFACES CONCENTRIC WITH THE AXES OF SAID SPACED WALLS, SAID ELEMENT MOUNTED IN NESTED RELATION BETWEEN SAID SPACED WALLS AND COMPRISING A BODY PORTION HAVING OPPOSED TRUNCATED CONICAL SURFACES AND A CYLINDRICAL OUTER WALL THEREBETWEEN MATCHING SAID SPACED WALLS AND CIRCULAR INNER WALL, AN AXIALLY DISPOSED DEPRESSION IN EACH OF SAID CONICAL SURFACES AND HAVING ONE OF SAID HOOKS THEREIN, EACH OF SAID DEPRESSIONS HAVING A CYLINDRICAL INNER FACE FOR SLIDABLY ENGAGING THE CIRCULAR OUTER SURFACE OF THE COOPERATING HOOK, A SPOUT EXTENDING FROM SAID BODY PORTION, A PASSAGE COMMENCING IN SAID OUTER WALL AND EXTENDING THROUGH SAID BODY PORTION AND SPOUT, AND AIR VENT THROUGH SAID BODY PORTION AND SPOUT PARALLELING SAID PASSAGE, SAID PASSAGE AND AIR VENT ALIGNABLE IN OPEN POSITION WITH SAID CAP OPENING BY SUITABLE ROTATION OF SAID BODY PORTION AND SPOUT, A RAISED AREA ON THE OUTER WALL OF SAID BODY PORTION APPROXIMATELY 90* FROM THE ENTRANCE TO SAID PASSAGE, SAID RAISED AREA HAVING BEVELED EDGES ABOUT ITS PERIPHERY, WHICH BEVELED EDGES ARE SHAPED TO ENGAGE THE PERIPHERY OF SAID OPENING THROUGH SAID CIRCULAR INNER WALL OF SAID CAP WHEN SAID BODY PORTION AND SPOUT HAVE BEEN ROTATED 90* FROM ALIGNED TO CLOSED POSITION.