Containers
US4993577A · kind A · utility
4Cited by
5References
11Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 24, 1989 |
| Grant date | Feb 19, 1991 |
| Priority date | — |
| Expiry date | Oct 24, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S220/25
- WIPO fieldHandling
- WIPO sectorMechanical engineering
Abstract
The present invention discloses a microwave container comprising a receptacle having a foodstuff hermetically sealed therein by means of a metal lid and a collar which is of annular configuration and adapted to located over the rim of the receptacle when the hermetically sealed lid is removed therefrom, the collar being provided with a means whereby, in use, any edge of the metal lid remaining after removal is shielded from microwave radiation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.