.~.~.~ Fusible, frangible, or destructible sensor {1}
591
.~.~.~.~ Containing pressurized fluid
DEFINITION
Classification: 340/591
Containing pressurized fluid:
(under subclass 590) Subject matter wherein the sensor contains fluid under a pressure higher than that of the ambient so as to produce a pressure drop upon destruction of the sensor element.
SEE OR SEARCH THIS CLASS, SUBCLASS:
626, for a pressure responsive indicator, per se.
SEE OR SEARCH CLASS
169, Fire Extinguishers,
56+, having various fusible and frangible condition responsive controls.
239, Fluid Sprinkling, Spraying, and Diffusing, 71, for sprinkling systems with indicators.