Automatic beverage maker

Claim 1

IN AN AUTOMATIC DRIP-TYPE BEVERAGE MAKER OF THE CHARACTER IN WHICH A GENERALLY CYLINDRICAL INNER VESSEL HAVING AN UPPER INFUSION CHAMBER AND A LOWER PRESSURE CHAMBER IS NESTED SUBSTANTIALLY CONCENTRICALLY IN A GENERALLY CYLINDRICAL OUTER VESSEL HAVING A SPOUT AT ITS UPPER EDGE, AND WITH AN ANNULAR SPACE DEFINED BETWEEN THE CIRCUMFERENTIAL WALLS OF SAID INNER AND OUTER VESSELS FOR WATER TO PASS FROM SAID LOWER TO SAID UPPER CHAMBER DURING BREWING, THE IMPROVEMENT COMPRISING: AT LEAST ONE OF SAID VESSELS INCLUDES AN INDENTED WALL PORTION EXTENDING FOR THE HEIGHT OF SAID INNER VESSEL AND VERTICALLY ALIGNED WITH SAID SPOUT TO DEFINE, WITH THE FACING WALL OF THE OTHER VESSEL, A POURING PASSAGE HAVING A DIMENSION, MEASURED RADIALLY WITH RESPECT TO SAID VESSELS, SUBSTANTIALLY GREATER THAN THE SPACING BETWEEN SAID INNER AND OUTER VESSELS IN OTHER PORTIONS OF SAID ANNULAR SPACE.