Portable device for cooling drinking glasses and the like and their contents

Claim 1

A PORTABLE COOLING DEVICE, INCLUDING IN COMBINATION: A DOUBLE-WALLED CONTAINER HAVING AN INNER WALL SMOOTHLY FLARED AND AN OUTER WALL SPACED OUT FROM SAID INNER WALL RADIALLY AND AXIALLY AT THE LOWER END, SAID WALLS BEING PERMANENTLY SEALED TOGETHER AT THEIR UPPER ENDS PROVIDING A LIP AND HAVING A SUPPORTING SHOULDER THEREBELOW. A REFRIGERANT IN THE LIQUID IN BETWEEN SAID WALLS FILLING MOST BUT NOT ALL THE SPACE BETWEEN THEM, SAID REFRIGERANT LIQUID FROZEN WHILE SAID DOUBLE-WALLED CONTAINER IS INVERTED, BEFORE USE OF SAID DEVICE, RADIAL SPOT PROJECTIONS ADJACENT OPPOSITE ENDS OF SAID OUTER WALL, AN OUTER CONTAINER HAVING AN UPPER END ON WHICH SAID SHOULDER OF SAID DOUBLE-WALLED CONTAINER RESTS WHEN SAID DEVICE IS IN USE, SAID CONTAINER BEING SPACED FROM SAID DOUBLE-WALLED CONTAINER AT ALL OTHER POINTS BY SAID SPOT PROJECTIONS TO PROVIDE A DEAD AIR SPACE THEREBETWEEN, SAID CONTAINER BEING FREELY SEPARABLE FROM SAID DOUBLE-WALLED CONTAINER BY SAID SPOT PROJECTIONS MERELY LIFTING SAID DOUBLE-WALLED CONTAINER BY ITS SAID LIP, SO THAT ONLY SAID DOUBLE-WALLED CONTAINER NEED BE PRE-COOLED IN A FREEZER, AND A SEPARATE VESSEL TAPERED TO MATCH THE FLARE OF SAID INNER WALL OF SAID DOUBLE-WALLED CONTAINER AND HAVING AN UPPER END EXTENDING ABOVE THE UPEPR END OF SAID DOUBLE-WALLED CONTAINER, SAID VESSEL BEING FREELY INSERTABLE IN AND REMOVABLE FROM SAID DOUBLEWALLED CONTAINER FOR THE COOLING OF ITS CONTENTS BY SAID DOUBLE-WALLED CONTAINER AND THE CONSUMPTION OF ITS CONTENTS AWAY FROM SAID CONTAINER.