Fluid handling – Ambient condition change responsive – For controlling soil irrigation
Reexamination Certificate
2011-04-26
2011-04-26
Rivell, John (Department: 3753)
Fluid handling
Ambient condition change responsive
For controlling soil irrigation
C137S078200, C137S411000
Reexamination Certificate
active
07931045
ABSTRACT:
A water sensor apparatus used in connection with a watering system. The water sensor apparatus includes a main housing comprising an inlet and an outlet. A valve mechanism is provided inside the main housing. The valve mechanism opens and closes the outlet of the main housing in response to a water level collected in the main housing and a water pressure entering the inlet of the main housing.
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Duong Ha Van
Nies Juergen
Zhao Chunling
Melnor Inc.
Price Craig
Rivell John
Westerman Hattori Daniels & Adrian LLP
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