.~.~> With shut-off between supply tank and receiver
DEFINITION
Classification: 137/453
(under subclass 386) Apparatus in which atmospheric pressure is utilized for maintaining a liquid level by balancing such pressure against a hydrostatic head.
SEE OR SEARCH THIS CLASS, SUBCLASS:
81, for apparatus intended to exercise a control of fluid flow in response to variations in atmospheric pressure.
261, for replenishment of liquid in a plurality of battery or electrolytic cells by barometric supply.
571+, for plural tanks or compartments connected for serial flow, and see the search notes to subclass 571.
SEE OR SEARCH CLASS
62, Refrigeration, 397, for a withdrawable liquid cooler with a barometric feed type container.
222, Dispensing,
437, and 457 for dispensers comprising a barometric trap chamber, and see the search notes to subclass 457.
