(under subclass 36) Subject matter wherein a liquid resistance element or contact is arranged to rise and fall over contact or resistance structure to give a variable resistance according to the condition sensed.
SEE OR SEARCH THIS CLASS, SUBCLASS:
80+, for mechanically variable resistors having liquid resistance elements.
94, for a mechanically adjustable resistor having a liquid short circuiting contact.
151, for a mechanically variable resistor having a liquid contact in which the resistance element moves.
156, for a mechanically variable resistor with a liquid contact.
222, for a fixed resistor having a liquid element. SEE OR SEARCH CLASS
73, Measuring and Testing,
750, for liquid column fluid pressure gauges such as manometers.
