US PATENT SUBCLASS 392 / 494
.~.~.~ Block forms flow path


Current as of: June, 1999
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392 /   HD   ELECTRIC RESISTANCE HEATING DEVICES

*  DD  HEATING DEVICES (CLASS 219 SUBCLASS 200) {11}
465  DF  .~ Continuous flow type fluid heater {12}
485  DF  .~.~ Heated line section with heating element internal of flow path {6}
494.~.~.~ Block forms flow path


DEFINITION

Classification: 392/494

Block forms flow path:

(under subclass 485) Subject matter wherein the flow path is formed in a solid mass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

467, for hot plate.

484, for externally heated line connected section.