US PATENT SUBCLASS 432 / 38
.~ Control of or response to apparatus protecting fluid or means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


432 /   HD   HEATING

36  DF  HAVING CONDITION RESPONSIVE CONTROL {12}
38.~ Control of or response to apparatus protecting fluid or means

DEFINITION

Classification: 432/38

(under subclass 36) Apparatus in which the flow of a fluid protecting the apparatus from injury, or protective structure, is controlled; or in which a means sensing the condition of such fluid or structure exerts a control.

SEE OR SEARCH CLASS

431, Combustion,

23, for the automatic control of means protecting a component of a burner from combustion heat.