Cat litter box

Details Cat litter box Cat litter box

2005-02-01

2005-02-01

Luu, Teri Pham (Department: 3644)

Animal husbandry

Waste toilet or related device

Walled receptacle; e.g., litter box, etc., containing...

C119S165000

Reexamination Certificate

active

06848394

ABSTRACT:
The embodiment of this invention is disclosed, which describes a cat litter box, which will allow cat owners to change litter without having to touch or manipulate the soiled litter. The device consists of a box within a box. The inside box is made with swinging trap doors on the bottom of the interior part of a shell of the device. This allows the cat litter to flow freely from the interior shell to the bottom half of the exterior shell. The bottom half of the exterior shell contains a garbage bag, which catches the soiled litter and allows easy disposal. The doors, which would swing open as the cat litter box is lifted upwards, are hinged so they will freely open and close in normal operation.

REFERENCES:
patent: 4271544 (1981-06-01), Hammond
patent: 5032254 (1991-07-01), Deboer
patent: 5042430 (1991-08-01), Casmira
patent: 5134974 (1992-08-01), Houser
patent: 5178099 (1993-01-01), Lapps
patent: 5551569 (1996-09-01), Garvin-Mazzarisi
patent: 5806461 (1998-09-01), Kiera
patent: 5983831 (1999-11-01), Thompson
patent: 6039003 (2000-03-01), Cox
patent: 6055935 (2000-05-01), Engel
patent: 6237534 (2001-05-01), Schwartz
patent: 6439161 (2002-08-01), Clemmons

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