The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 05, 1987

Filed:

Jul. 10, 1985
Applicant:
Inventors:

Frederick P Strobl, Jr, Cary, IL (US);

Theodore W Meyers, Inverness, IL (US);

Assignee:

Tuf-Tite, Inc., Barrington, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C02F / ;
U.S. Cl.
CPC ...
210170 ; 2105322 ; 285110 ; 285193 ; 277178 ;
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.


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