Pet litter box
US11000007B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 8, 2018 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Oct 22, 2038 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA01K1/0107
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A pet litter box (10) includes a housing (12) having a base portion (14), a grid portion (16), and a top portion (18). The base portion has a floor (20) and a raised, peripheral ledge (22) with a vertical wall (28) and a horizontal wall (30). The pet litter box has a removable tray (40). The horizontal wall includes air vents (56). Each air vent has an upwardly extending hood (58) having a rear wall (60), two oppositely disposed end walls (62) which define an outwardly facing air outlet opening (64). Each side air outlet opening is in fluid communication with a bottom air inlet opening (66) extending through the ledge horizontal wall. The air inlet opening is in fluid communication with ambient air external of the litter box. The grid portion 16 has a generally flat floor (72) with a grid of holes (74) there through.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.