Vacuum insulated lunch box
US6510946B2 · kind B2 · utility
24Cited by
8References
20Claims
0Family size
Inventors
Key dates
| Filing date | Dec 20, 2000 |
| Grant date | Jan 28, 2003 |
| Priority date | — |
| Expiry date | Dec 20, 2020 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA47J41/02
- WIPO fieldFurniture, games
- WIPO sectorOther fields
Abstract
Vacuum Insulated Lunch Box with a rectangular box comprised of a top half and a bottom half, the top half and bottom half each having a double wall construction, the top half and bottom half each having recessed areas to accommodate a plurality of food containers, the top half and bottom half each having an outlet check valve, and the outlet check valves each capable of receiving a tube from a vacuum pump for the purpose of evacuating the cavity of each said lunch box half. A preferred embodiment includes further comprising a built in vacuum pump.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.