Food containers

Claim 1

A PLASTIC FOOD CONTAINER OF SUBSTANTIALLY UNIFORM WALL THICKNESS THROUGHOUT HAVING: (A) A SUBSTANTIALLY FLAT BOTTOM THAT IS TRIANGULARLY SHAPED WITH TWO SIDES THAT ARE DISPOSED AT RIGHT ANGLES TO EACH OTHER AND OF APPROXIMATELY EQUAL LENGTH AND A THIRD SIDE WHICH IS LONGER THAN SAID TWO SIDES AND ARCUATELY SHAPED WITH THE AVERAGE RADIUS OF CURVATURE OF SAID ARCUATELY SHAPED SIDE BEING APPROXIMATELY 11/2 TIMES THE LENGTH AS MEASURED EXTERIORLY OF THE CONTAINER OF SAID THIRD SIDE; AND (B) UPSTANDING SIDE WALLS THAT ARE JOINED INTEGRALLY WITH THE SIDES OF SAID CONTAINER BOTTOM BY A SMOOTH RADIUS AND TERMINATE IN A FLANGE THAT EXTENDS AROUND THE ENTIRE PERIPHERY OF SAID CONTAINER TO PROVIDE RIGIDLY TO THE CONTAINER AND SERVE AS A MEANS BY WHICH A COVER CAN BE SEALED OVER THE OPEN TOP OF SAID CONTAINER; (C) SAID CONTAINER BEING FORMED FROM A FLAT SHEET OF TRANSPARENT, THERMOPLASTIC MATERIAL THAT IS INERT TO THE FOOD TO BE PLACED THEREIN HAVING INITIALLY A THICKNESS NO LESS THAN 0.007 INCH AND NO GREATER THAN 0.015 INCH, AND HAVING ALL CORNERS BETWEEN THE THREE SIDE WALLS ROUNDED WITH RADII SUFFICIENTLY LARGE TO PROVIDE DIMENSIONAL STABILITY AND A MINIMUM THICKNESS THROUGHTOUT THE ENTIRE CONTAINER THAT IS NO LESS THAN ONE-HALF THE THICKNESS OF THE SHEET MATERIAL FROM WHICH THE CONTAINER IS FORMED.