Refrigerator or freezer freshening device and process
US5062272A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Oct 9, 1990 |
| Grant date | Nov 5, 1991 |
| Priority date | — |
| Expiry date | Oct 9, 2010 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S261/88
- WIPO fieldOther consumer goods
- WIPO sectorOther fields
Abstract
A freshener device for air for use in a refrigerator or freezer compartment for replacing an unwanted odor with a food or fruit-like scent. A process therefor is also provided. The device includes a perforated front plate and a perforated rear plate and a peripheral plate enclosing a chamber containing a selected particle mixture of about a 5 percent food or fruit extract, about 47 percent carbon filter type particles and about 48 percent sodium carbonate particles. The rear plate has a support and attachment means for mounting the device on an inner surface of a refrigerator or freezer wall and spaced therefrom.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.