Door assembly of microwave oven

Details Door assembly of microwave oven Door assembly of microwave oven

2005-08-09

2005-08-09

Leung, Philip H. (Department: 3742)

Electric heating

Microwave heating

Radiation protection

C219S741000, C174S034000

Reexamination Certificate

active

06927374

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.

REFERENCES:
patent: 4313044 (1982-01-01), Staats
patent: 5206478 (1993-04-01), Lee
patent: 53-37931 (1978-04-01), None

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