Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Patent
1998-04-14
1999-07-06
Swiatek, Robert P.
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
A01K 1035, A01K 2900
Patent
active
059185678
ABSTRACT:
A simple, disposable cat litter box has a flexible plastic pullstring bag and a crushable one piece skeletal frame containing four corner expanded rigid polystyrene plastic brackets and a connecting rim at its top. For average sized boxes, the thin bag can be extended approximately twelve inches above the frame and has a drawstring near its top edge for closure. The bottom of the bag receives cat litter. The bag has an additional reinforcer bag up to the frame sufficient to withstand cat scratches. When the box is in use, the bag is tightly wrapped around the skeletal frame or adhered or attached by standard means. Preferably, there is a single outer fold parallel to the perimeter of the bag in the midpoint of the portion of the bag that extends above the frame, or alternatively top of bag is left inside space of frame until consumer folds it around the frame. Accordingly, in preferred embodiment, the top edge of the bag during use is adjacent to and frangibly attached to the portion of the bag tightly wrapped around the very top of the frame. Vertical pleats at the top of bag widen the bag considerably and help extend the bag above the frame. To dispose, pull tabs located on opposite sides of frame. This separates the bag at its frangible connecting points and widens the bag. Simply pull bag up. When extended, close bag using drawstrings and crush frame as needed to reduce volume.
REFERENCES:
patent: 3358647 (1967-12-01), Wilson
patent: 4090470 (1978-05-01), Williams
patent: 4312295 (1982-01-01), Harrington
patent: 4921193 (1990-05-01), Benesch
patent: 5850798 (1998-12-01), Engel
Horowitz Steven
Nguyen Son T.
Swiatek Robert P.
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