Door assembly of microwave oven
US6927374B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 24, 2004 |
| Grant date | Aug 9, 2005 |
| Priority date | — |
| Expiry date | Feb 24, 2024 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/763
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A door assembly for a microwave or electric oven in which an optimum microwave-shielding frequency is not changed even though an incident angle of microwaves is changed, to enhance a user's convenience in cleaning a door. The door assembly for a microwave oven includes a door frame to open and close a cooking cavity, a door filter having a filter plate adhered to one side of the door frame, a choke portion bent to an opposite side of the cooking cavity in an edge of the filter plate, a first slot formed in a width direction of the choke portion, and a second slot formed in a length direction of the choke portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.