US PATENT SUBCLASS 219 / 739
.~.~.~ Door assembly

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

678  DF  MICROWAVE HEATING {15}
736  DF  .~ Radiation protection {2}
738  DF  .~.~ With leakage prevention {2}
739.~.~.~ Door assembly {2}
740  DF  .~.~.~.~> With screen or window
741  DF  .~.~.~.~> With choke or seal {2}

DEFINITION

Classification: 219/739

Door assembly:

(under subclass 738) Subject matter wherein a movable structure which turns on a hinge or slides on a groove is used for opening or closing an access entrance to a cavity.

SEE OR SEARCH CLASS

126, Stoves and Furnaces,

190, for stove doors and windows.