Self-cleaning litter box
US8166919B2 · kind B2 · utility
13Cited by
63References
17Claims
0Family size
Inventors
Key dates
| Filing date | Mar 7, 2011 |
| Grant date | May 1, 2012 |
| Priority date | — |
| Expiry date | Mar 7, 2031 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/011
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
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 compartment 24. 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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.