Animal husbandry – Waste toilet or related device – Walled receptacle; e.g. – litter box – etc. – containing...
Reexamination Certificate
2011-02-09
2011-10-04
Dinh, Tien (Department: 3644)
Animal husbandry
Waste toilet or related device
Walled receptacle; e.g., litter box, etc., containing...
C119S161000, C119S165000, C229S169000
Reexamination Certificate
active
08028659
ABSTRACT:
A self-cleaning litter box (50) provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box (50) is configured to use a one piece litter cartridge (20) having a litter compartment (26) and a waste compartment24. In another embodiment, the cartridge (20) is non-compartmentalized. In another embodiment, the system includes a rake assembly (56) configured with a drive assembly (58) that is protected from waste contamination. In accordance with the invention, the self-cleaning litter box (50) is configured to be used with all types of litter including crystal type litter.
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Cook Alan J.
Devlin Thomas Edward
Greason Jeff Reed
Grube Kristin William
Ulrich Karl Thatcher
Benedik Justin
Dinh Tien
Femal Michael J.
Lucky Litter LLC
McDonald Hopkins LLC
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