Liquid purification or separation – Structural installation – Closed circulating system
Reexamination Certificate
2007-11-06
2007-11-06
Prince, Fred G. (Department: 1724)
Liquid purification or separation
Structural installation
Closed circulating system
C210S198100, C210S416200, C422S261000
Reexamination Certificate
active
11602773
ABSTRACT:
This is a device which will make the monitoring and regulation of chemicals in a pool easy and convenient. It will also make it as automatic as possible for the user to accurately monitor the chemical levels and add the appropriate chemicals. The user may preset the amount and time of the specific chemicals to be added and may adjust for factors such as usage and time of year.
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Gibney Jr. Lawrence J.
Prince Fred G.
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