US PATENT SUBCLASS 219 / 693
.~.~.~ Having load passage

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

678  DF  MICROWAVE HEATING {15}
690  DF  .~ Waveguide applicator {3}
691  DF  .~.~ Slotted {2}
693.~.~.~ Having load passage

DEFINITION

Classification: 219/693

Having load passage:

(under subclass 691) Subject matter wherein a pair of slotted inlet and outlet openings are aligned at diametrically

opposite locations on the waveguide applicator through which a material or an object is passed.

SEE OR SEARCH THIS CLASS, SUBCLASS:

698, for a microwave tunnel furnace.