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:
Sep. 08, 1992

Filed:

Jul. 20, 1990
Applicant:
Inventor:

Kenneth Graham, Yonkers, NY (US);

Assignee:

Other;

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
E03D / ;
U.S. Cl.
CPC ...
42561 ; 137584 ; 137613 ; 138 92 ; 251145 ; 425501 ;
Abstract

A plumbing drainage system has a plumbing stack with a clean-out hole formed therein. A drainage device for controlled drainage of the plumbing stack includes a device for connecting the drainage device to a plumbing stack at the clean-out hole formed in the plumbing stack. A shut-off valve is connected downstream of the first connecting device. A second connecting device is connected downstream of the shut-off valve for connection to a drainage hose.


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