Entrance refrigerator
US11448456B2 · kind B2 · utility
2Cited by
8References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2020 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Sep 30, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2700/00
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
In an entrance refrigerator, when a living organism such as a companion animal is detected in a storage compartment, a drain port provided at the bottom of the storage compartment is opened, such that air outside the storage compartment flows into the storage compartment through the drain port.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.