Dual flush toilet flapper valve system

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United States of America Patent

PATENT NO 9657470
SERIAL NO

14960372

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A toilet flapper valve dual flush system provides a choice of flush durations using flapper valve with a vented buoyancy chamber and an operating system that lifts the flapper valve from a vented side, rather than the center, to provide a simple effective control of the volume of water used.

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Patent Owner(s)

Patent OwnerAddress
BUTTERFIELD BILLNot Provided

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Butterfield, Bill Raymond, US 1 1

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