Self-cleaning litter box
US7762213B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 30, 2004 |
| Grant date | Jul 27, 2010 |
| Priority date | — |
| Expiry date | Aug 18, 2026 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/011
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A self-cleaning litter box is disclosed which provides various advantages over the prior art. In particular, in one embodiment, the self-cleaning litter box is configured to use a cartridge which may include a litter compartment and a waste compartment. In another embodiment, the cartridge may be non-compartmentalized. The cartridge may be disposable, thus eliminating the need for the user to clean the litter tray and handle heavy litter containers. In other embodiments, the system includes a rake assembly configured with a drive assembly that is protected from contamination. In accordance with another embodiment of the invention, the self-cleaning litter box 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.