Heat retentive food tray with cover
US6670589B2 · kind B2 · utility
7Cited by
12References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Sep 25, 2002 |
| Grant date | Dec 30, 2003 |
| Priority date | — |
| Expiry date | Sep 25, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/12
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A heat retentive tray system is provided that has a tray containing a heat storage member adapted to be heated by electrical induction with a cover disposed in insulating contact with a flat upper surface of the tray, thereby substantially increasing the heat retentive properties of the system.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.