Continuous substantially planar microwave oven door assembly
US4713511A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Mar 23, 1987 |
| Grant date | Dec 15, 1987 |
| Priority date | — |
| Expiry date | Mar 23, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH05B6/763
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A microwave oven door includes a flange forming a choke cavity to prevent microwaves from leaking, the flange having first and second walls forming a door surface opposite to a heating chamber such that the first and the second walls accommodate an opening therebetween, a sealer plate secured on the second wall of the flange to view the interior of the microwave oven, the sealer plate and the first wall of the flange being disposed on a same plane, a door film disposed on a plane formed by the sealer plate and the first wall of the flange, and an opaque film formed on a portion of the door film corresponding to the opening of the flange.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.