Sewer relief valve
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United States of America Patent
Stats
-
Jul 8, 1997
Grant Date -
N/A
app pub date -
Jul 8, 1996
filing date -
Jul 8, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A sewer relief valve (40) made out of a durable plastic material comprises: a raised head or float housing (52) that serves as a gripping means during it's removal and installation; said housing (52) has male threads (53) which circumference the lower vertical exterior of said float housing (52); said housing (52) surrounding a central passageway (58) through which a hydrostatic pressure relieving float (54) may pass unobstructed; a cap (50) attached to an upper portion of float (54) effectively sealing said central passageway (58) and cosmetically dressing up said float housing (52) of said sewer relief valve (40) to give it the appearance of a conventional raised head plug (28).
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Cited Art Landscape
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