Measuring and testing – Liquid level or depth gauge – Weighing type
Reexamination Certificate
2005-02-08
2005-02-08
Williams, Hezron (Department: 2856)
Measuring and testing
Liquid level or depth gauge
Weighing type
C073S001220, C073S29000R, C073S309000, C073S313000
Reexamination Certificate
active
06851314
ABSTRACT:
An apparatus and method for detecting water loss from a swimming pool includes a first container having an upper end, a lower end, an inner cavity and at least one opening allowing swimming pool water to flow in and out of said inner cavity; a substantially waterproof load cell positioned within the inner cavity of said first container, for measuring weight bearing thereon; and a second container having an upper end, a lower end, and an inner cavity closed to water flow, said second container positioned within the inner cavity of said first container having its lower end upon said load cell so as to bear weight thereon.
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American Leak Detection, Inc.
Rogers David A.
Williams Hezron
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