Patent · US Expired

Door assembly of microwave oven

US6927374B2 · kind B2 · utility

30Cited by
2References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 24, 2004
Grant dateAug 9, 2005
Priority date
Expiry dateFeb 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.