Multi-wall insulating receptacle

Claim 1

A MULTI-WALL THERMALLY INSULATING AND SUBSTANTIALLY RIGID RECEPTACLE ADAPTED TO BE USED AS A DRINKING CUP, COMPRISING, IN COMBINATION, AN ORGANIC PLASTIC MATERIAL CUP-SHAPED OUTER VESSEL HAVING A BOTTOM WALL AND A SUBSTANTIALLY SIMILARLY SHAPED ORGANIC PLASTIC MATERIAL CUPSHAPED INNER VESSEL HAVING A BOTTOM WALL AND BEING SUSPENDEDLY POSITIONED WITHIN SAID OUTER VESSEL, SAID RESPECTIVE BOTTOM WALLS BEING SPACED FROM EACH OTHER, SAID OUTER VESSEL HAVING AN OUTWARDLY TURNED SUBSTANTIALLY FLAT LIP AND SAID INNER VESSEL HAVING AN OUTWARDLY TURNED SUBSTANTIALLY FLAT LIP COMPLEMENTARY WITH RESPECT TO SAID LIP OF SAID OUTER VESSEL, SAID OUTER VESSEL LIP BEING IN CONTACT WITH AND FIXEDLY ATTACHED TO, AT ITS TOP SURFACE, SAID INNER VESSEL LIP, AT ITS BOTTOM SURFACE, SAID OUTER VESSEL HAVING SIDE WALL ADJACENT SHAPED FLUTES FOR AT LEAST A PORTION OF ITS HEIGHT, WHEREBY THERE ARE FORMED A PLURALITY OF SHAPED AIR SPACES BETWEEN THE RESPECTIVE SIDE WALLS OF THE VESSELS AND AN AIR SPACE BETWEEN THE RESPECTIVE BOTTOM WALLS OF THE VESSELS AND A PLURALITY OF SHAPED AIR SPACES BETWEEN THE OUTER VESSEL AND THE HAND HOLDING SAID RECEPTACLE THEREBY THERMALLY INSULATING THE CONTENTS OF THE RECEPTACLE FROM THE HAND HOLDING IT AND WHEREBY SAID FLUTES ADD STRENGTH AND RIGIDITY TO THE RECEPTACLE.