Septic tank system

Details Septic tank system Septic tank system

1974-06-26

1976-05-04

Hart, Charles N.

Liquid purification or separation

With alarm, indicator, register, recorder, signal or...

Material level or thickness responsive

61 11, 73305, 116118A, 166 54, 210 91, 210 93, 210121, 210532S, G01F 2306

Patent

active

039546128

ABSTRACT:
A septic tank system is provided with an indicator above the ground surface to indicate the water level in the tributaries leading from the tank so that any excess water therein may be pumped out before it causes a back up of sewage upstream of the septic tank.

REFERENCES:
patent: 933121 (1909-09-01), Schofield
patent: 988639 (1911-04-01), Johnston
patent: 1029107 (1912-06-01), Couls
patent: 2674337 (1954-04-01), Noe
patent: 2802339 (1957-08-01), Fogerty
patent: 3332552 (1967-07-01), Zabel
patent: 3483656 (1969-12-01), Baumann
patent: 3892126 (1975-07-01), Curtin

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