US PATENT SUBCLASS 219 / 537
.~.~.~ Plural units combined with single casing housing or support


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

200  DF  HEATING DEVICES {14}
520  DF  .~ With heater-unit housing, casing, or support means (e.g., frame and single sheet) {13}
536  DF  .~.~ With heating unit mounting or attaching means {1}
537.~.~.~ Plural units combined with single casing housing or support


DEFINITION

Classification: 219/537

(under subclass 536) Subject matter wherein a single housing, casing or support structure is combined with a plurality of heating units having significant attachment means.

SEE OR SEARCH THIS CLASS, SUBCLASS:

478, for plural separate heating devices with unitary housing, support or casing means.