US PATENT SUBCLASS 219 / 699
.~.~ With leakage suppression


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

678  DF  MICROWAVE HEATING {15}
698  DF  .~ Tunnel furnace {2}
699.~.~ With leakage suppression


DEFINITION

Classification: 219/699

With leakage suppression:

(under subclass 698) Subject matter wherein an arrangement is provided to reduce or prevent microwave energy from escaping the open ends of the tunnel furnace.

(1) Note. The reduction of microwave energy may be by filtering, shielding, reflection, or absorption.

SEE OR SEARCH THIS CLASS, SUBCLASS:

736+, for radiation protection of microwave energy.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

35+, for shielded or screened anti-inductive structure.