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:
Dec. 01, 1987

Filed:

Dec. 10, 1986
Applicant:
Inventor:

Randall G Richards, Cincinnati, OH (US);

Assignee:

The Drackett Company, Cincinnati, OH (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
E03D / ;
U.S. Cl.
CPC ...
4228 ; 472 37 ;
Abstract

An in-tank dispenser adapted to dispense a disinfectant solution when the toilet is flushed, the dispenser comprising a product chamber having a lower section and an upper section in fluid communication and containing a disinfectant material that releases gaseous material in aqueous solution, there being a shoulder at the interface of said sections, the cross-sectional area of the lower chamber in the plane horizontal thereto being larger than that of the upper chamber; an inlet/outlet pathway in the form of an inverted U-shaped conduit having an exterior leg and an interior leg, the uppermost portion thereof wherein the legs are joined being arcuate in shape and having a volume of less than about 0.50 cubic centimeter, said conduit being in fluid communication at the shoulder of the product chamber, the cross-sectional area normal to flow of the interior leg being less than that of the exterior leg; and vent means proximate the top of the upper section of the product chamber. The disinfectant may be selected from the group consisting of halogenated hydantoins, trichloroisocyanuric acid, and inorganic hypochlorite salts of calcium, lithium and magnesium.


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