Patent ID: 9656191
Date: 2017-05-23
CPC Classifications: A47G,B01D,B65D,C02F,Y02A

Claim:
1. A personal, portable drinking container comprising: a bottle having a perimeter side wall with a closed bottom end, a neck at a top end, a top opening at a top edge of the neck, and an interior reservoir within the side wall above the bottom end and accessible through the top opening, the bottle being formed of a flexible material; a cap removably fitted on the neck to close off the top opening and having a dispenser orifice in the cap; a filter assembly removably coupled to a portion of the container and at least partially disposed in the interior reservoir, the filter assembly comprising: an annular formation in the side wall below the neck and extending circumferentially around the bottle, wherein the neck, the annular formation, and an upper portion of the side wall therebetween are circular about a vertical axis of the bottle, wherein the side wall has a pair of opposed squeezable sides curved concavely toward one another between the annular formation and the bottom end and a pair of opposed stiff sides between the annular formation and the bottom end, the stiff sides being arranged orthogonally about the vertical axis relative to the squeezable sides.