Food-service device

Claim 1

A DISPLAY-TYPE FOOD-SERVICE RECEPTACLE COMPRISING AN UPWARDLY OPEN OUTER VESSEL OF TRANSPARENT MATERIAL FORMED WITH AN UPPER EDGE HAVING AN OUTWARDLY EXTENDING, GENERALLY HORIZONTAL PERIPHERAL FLANGE; A PLURALITY OF UPWARDLY OPEN INNER VESSELS OF TRANSPARENT PLASTIC MATERIAL REMOVABLY NESTED WITHIN SAID OUTER VESSEL, SAID INNER VESSELS HAVING BOTTOM PORTIONS SPACED FROM THE BOTTOM OF SAID OUTER VESSEL AND ENGAGING IT ALONG SAID FLANGE WHILE BEING SPACED FROM THE REMAINDER OF SAID OUTER VESSEL TO FORM THEREWITH FLUID SPACES SURROUNDING SAID INNER VESSELS FOR CONTROLLING THE TEMPERATURE OF FOOD THEREWITHIN, SAID OUTER VESSEL CONSTITUTING A PAN ACCOMMODATING A WATER BATH TO A LEVEL ABOVE SAID BOTTOM PORTIONS OF SAID INNER VESSELS; A GENERALLY DOME-SHAPED COVER OF TRANSPARENT MATERIAL REMOVABLY DISPOSED ABOVE SAID INNER VESSELS, SAID COVER HAVING A PERIPHERAL EDGE OVERLYING SAID FLANGE IN A CLOSED CONDITION OF SAID RECEPTACLE, SAID FLANGE FORMING A SUPPORTING SURFACE FOR SAID COVER, SAID COVER BEING PROVIDED WITH HORIZONTALLY SPACED DOWNWARDLY EXTENDING PROJECTIONS BEARING UPON SAID SUPPORTING SURFACE FOR ENABLING THE VENTILATION OF SAID VESSELS AND SAID SPACES.