Septic system drop box with seal apparatus therefor
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United States of America Patent
Stats
-
May 5, 1987
Issued Date -
N/A
app pub date -
Jul 10, 1985
filing date -
Jul 27, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved drop box for septic systems is disclosed including a generally rectangular-shaped, tapered box member, a plurality of invert openings formed on the sidewalls thereof, a locking lid having structural support elements operable to transfer weight carried by the lid to the box's sidewalls, and improved seal means snap-fitted to each invert opening which act to sealingly receive a drain pipe forcibly inserted therethrough. A membrane-type seal plug is provided to block off any unused invert opening. An alternate version of the improved seal means having turbine-blade stiffening means is also disclosed.
First Claim
Family
International Classification(s)
Cited Art Landscape
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