FREE FLOW FILTER BOTTLE
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
May 27, 2022
filing date -
Jun 2, 2021
priority date (Note) -
Published
status (Latency Note)
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Abstract
A bottle is provided that incorporates a free flow filter that can passively filter water by the action of gravity as a user drinks from the bottle. The bottle uses an umbrella valve to vent air from the filter into the body of the bottle so that a continuous stream of filtered water is provided by the bottle as water is poured from the bottle. In an embodiment, the umbrella valve moves from a closed position to an open position when at least a threshold pressure is applied to a diaphragm of the valve. When in the open position, air may vent from the filter and into the body of the bottle.
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