Dual flush toilet flapper valve system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
May 23, 2017
Issued Date -
N/A
app pub date -
Dec 5, 2015
filing date -
Dec 8, 2014
priority date (Note) -
In Force
status (Latency Note)
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Abstract
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.
First Claim
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Family
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International Classification(s)
- 2015 Application Filing Year
- E03D Class
- 199 Applications Filed
- 163 Patents Issued To-Date
- 81.91 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- E03D Class
- 32.26 % this patent is cited more than
- 8 Age
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