Collapsible liquid container with retractable spout

Claim 1

IN A CONTAINER EMBODYING A FLEXIBLE SHEET FOLDED UPON ITSELF TO FORM OVERLYING SIDE WALLS, SAID SIDE WALLS HAVING MARGINAL PORTIONS ADHERED TOGETHER, A SPOUT HAVING OVERLYING FLEXIBLE SIDE WALLS UNITARILY CONNECTED TO AND EXTENDING FROM THE MARGINAL PORTIONS OF THE CONTAINER SIDE WALLS AT THE FOLD THEREOF, SAID SPOUT INITIALLY EXTENDING INWARDLY BETWEEN SAID SIDE WALLS AND HAVING AN INTAKE END OPENING EXTERIORLY OF THE CONTAINER AND A DISCHARGE END OPENING BETWEEN THE CONTAINER SIDE WALLS, AND A PULLSTRING ATTACHED TO THE DISCHARGE END OF SAID SPOUT LEADING LONGITUDINALLY OF SAID SPOUT INTERIORLY THEREOF HAVING AN OUTER END PORTION PROJECTING FROM THE CONTAINER WHEREBY THE DISCHARGE END OF SAID SPOUT MAY BE DRAWN INTO THE INTERIOR OF THE SPOUT AND THE SPOUT SUBSEQUENTLY EXTENDED EXTERIORLY OF THE CONTAINER WITH A MARGIN THEREOF EXTENDING IN CONTINUATION OF THE FOLD OF THE OVERLYING SIDE WALLS OF THE CONTAINER.