Cooler container
US5231850A · kind A · utility
63Cited by
6References
2Claims
0Family size
Inventor
Key dates
| Filing date | Dec 5, 1991 |
| Grant date | Aug 3, 1993 |
| Priority date | — |
| Expiry date | Dec 5, 2011 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25D2331/804
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
A portable container which may be refrigerated is provided which is composed of a floor and wall composed of an inner and outer wall with refrigerant captivated between these walls and a lid to close the container which also contains a charge of refrigerant in a recess therein, a labyrinth-type seal is provided between the lid and the wall composed of interdigitated ridges.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.