Disposable container

Claim 1

A COLLAPSIBLE, DISPOSABLE URINAL FORMED FROM A FLAT, UNITARY SHEET OF AN IMPERMEABLE MATERIAL, AND COMPRISING: A HOLLOW FRUSTUM OF A PYRAMID HAVING A TRIANGULAR OPENING AND HAVING A SUBSTANTIALLY ISOCELES-TRIANGULAR BASE WITH FIRST AND SECOND SIDE LEGS AND A BASE LEG; THE FRUSTUM INCLUDING FIRST AND SECOND SUBSTANTIALLY FLAT AND CONGRUENT WALLS INTEGRALLY SECURED ALONG THE FIRST AND SECOND SIDE LEGS RESPECTIVELY OF THE BASE, THE FIRST AND SECOND WALLS EXTENDING UPWARDLY FROM THE BASE TOWARD EACH OTHER AND SECURED TOGETHER ALONG THEIR UPPER EDGES; THE FRUSTUM HAVING A THIRD, SUBSTANTIALLY FLAT TRAPEZOIDAL WALL HAVING A LOWER EDGE INTEGRALLY SECURED TO THE BASE ALONG THE BASE LEG, AND HAVING SIDE EDGES INTEGRALLY JOINED TO THE FIRST AND SECOND WALLS; THE FRUSTUM BASE HAVING A FIRST TRANSVERSE CREASE FORMED ALONG THE BASE LEG AND A CENTRAL FIRST LONGITUDINAL CREASE EXTENDING ACROSS THE BASE BETWEEN THE SIDE LEGS TO INTERSECT THE TRANSVERSE CREASE, AND THE THIRD WALL HAVING A CENTRAL SECOND LONGITUDINAL CREASE BEGINNING AT THE INTERSECTION OF THE LONGITUDINAL AND TRANSVERSE CREASES IN THE BASE AND EXTENDING ACROSS THE THIRD WALL, WHEREBY THE BASE AND THIRD WALL ARE FOLDABLE ALONG THE CREASES TO BE COLLAPSED BETWEEN THE FIRST AND SECOND WALLS AND TO COLLAPSE THE HOLLOW FRUSTUM TO A SUBSTANTIALLY FLAT SHAPE.