(under subclass 290) Combinations of liquid level gauges with funnels or hose nozzles wherein no more of such funnel or nozzle is included than is necessary to provide for the gauge.
SEE OR SEARCH CLASS
141, Fluent Material Handling, With Receiver or Receiver Coacting Means,
331+, for funnels, per se, and, subclasses 95+, for indicators combined with filling means responsive to level or pressure in the receiver.
