Valve for winterizing a pool

Details Valve for winterizing a pool Valve for winterizing a pool

2008-05-13

2008-05-13

Rivell, John (Department: 3753)

Fluid handling

Line condition change responsive valves

Direct response valves

C137S512100, C137S533190, C004S496000, C004S507000

Reexamination Certificate

active

07370668

ABSTRACT:
A valve assembly for use in winterizing a swimming pool closes to prevent pool water from entering into a pool pipe situated below the water line and opens to allow fluid or air to be pumped out of the pool pipes, including an adaptor having threads for attachment to a hose so the pipe contents may be pumped directly into the hose and out of the pool.

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