Piston cap with center vent
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 10, 2015
Grant Date -
Jan 10, 2013
app pub date -
Mar 30, 2011
filing date -
Apr 2, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A flushometer having a cap with a substantially central exhaust passage adapted to remove air from the control chamber. The exhaust passage provides for communication between an upper pressure chamber and an interior piston chamber wherein during a flush cycle a portion of the contents of the upper pressure chamber is evacuated through the exhaust passage into the interior piston chamber and ultimately through the outlet of the flushometer.
First Claim
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International Classification(s)
- 2011 Application Filing Year
- F16K Class
- 1299 Applications Filed
- 961 Patents Issued To-Date
- 73.98 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- F16K Class
- 0 % this patent is cited more than
- 10 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | May 10, 2027 |
