Litter box assembly
US6237534A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 15, 2000 |
| Grant date | May 29, 2001 |
| Priority date | — |
| Expiry date | Jun 15, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0107
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A litter box assembly is described that comprises a box for containing litter, having a base, rigid side walls, an opening in one of the side walls, and a removable lid atop the side walls; and a flexible tunnel, preferably made of an accordion plastic. The tunnel allows for the ingress and egress of a small animal, preferably a "so-called" indoor pet such as a cat, and supports the weight of the small animal during its ingress and egress to and from the litter box. The tunnel is preferably suspended above the ground via removable attachments to the opening in the litter box, the to an opening in a residence. The litter box is not fixed in a particular orientation relative to the opening in the residence, even when connected to the tunnel. The litter box is preferably substantially divided, by an interior wall, into a waste chamber for containing litter and an interior passageway. The interior passageway may comprises holes on the floor to allow the passage of litter through the holes during ingress and egress of the animal, but small enough to prevent passage of the feet of the animal through the holes. The rigid side walls of the litter box may also comprise wall holes, which may…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.