Plastic cup with spaced and tapered radial hollow projections of 90 degrees or less in the finger contact area thereof

Claim 1

A CUP PARTICULARLY ADAPTED FOR HOLDING HOT BEVERAGES WITHOUT UNDULY TRANSFERRING THE HEAT OF BEVERAGES TO A HOLDER''S HAND, SAID CUP COMPRISING A THIN WALLED GENERALLY FRUSTO-CONICAL BODY AND AN OPEN MOUTH, SAID BODY BEING ENTIRELY OF A SINGLE WALLED CONSTRUCTION THROUGHOUT AND INCLUDING AN UPPER GRIPPING BAND BELOW SAID OPEN MOUTH, SAID GRIPPING BAND BEING COMPRISED OF A PLURALITY OF VERTICALLY SPACED OUTWARDLY DIRECTED SUBSTANTIALLY HOLLOW PROTUBERANCES DISPOSED CIRCUMFERENTIALLY AROUND SAID BODY, EACH OF SAID PROTUBERANCES BEING HORIZONTALLY V-SHAPED IN CROSS-SECTION AND TERMINATING IN A SHARP OUTER PART WITH THE ENCLOSED ANGLE BEING LESS THAN 90 DEGREES PROVIDING CIRCULATION OF EXTERNAL COOLING AIR ABOVE AND BELOW EACH PROTUBERANCE TO EFFECT A GOOD COOLING OF RELATIVELY STATIONARY POOLS OF LIQUID DISPOSED WITHIN THE PROTUBERANCES TO RESTRICT HEAT TRANSFER BY THE SHARP OUTER PART OF EACH PROTUBERANCE, THE VERTICAL SPACING OF SAID PROTUBERANCES BEING RELATIVELY SMALL AND DEFINED BY FLAT INTERMEDIATE PORTIONS OF SAID CUP BODY WHEREBY WHEN SAID GRIPPING BAND IS ENGAGED BY ONE''S FINGERS AND THUMB, ENGAGEMENT WITH THE CUP IS LIMITED TO SAID PROTUBERANCES AND IN THE VICINITY OF SAID PROTUBERANCES SHARP OUTER PARTS, THE CUP BODY HAVING AN ENLARGED EXTREME UPPER PORTION, SAID PROTUBERANCES HAVING A WALL THICKNESS LESS THAN THE WALL THICKNESS OF SAID CUP BODY AND TERMINATING IN SHARP OUTER PARTS WHICH ARE DISPOSED ALONG AN IMAGINARY PROJECTION OF SAID ENLARGED UPPER PORTION, AND A HORIZONTAL AXIS NORMAL TO THE AXIS OF THE CUP BODY BISECTING THE ENCLOSED ANGLE OF SAID PROTUBERANCES.