US PATENT SUBCLASS 137 / 581
.~ Movable tank
Current as of: June, 1999
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DEFINITION
Classification: 137/581
(under subclass 561) Systems, including a tank mounted for movement with respect to supporting means, the supporting means not being positively recited in the claims, but movement of the tank being inherent in the operation of the device or required in causing or controlling flow of material.
SEE OR SEARCH THIS CLASS, SUBCLASS:
38+, for systems with flow control by inertia or change of position of the system.
170, for feed traps movable into discharge relationship with a pressurized receiver.
257, for rotatable tank groups for sequential filling and discharge.
313, for leakage or drip collectors comprising a relatively movable receptacle and drain pipe or outlet.
376, for tanks with supports. 408, for gravitating tanks in liquid level responsive systems, and see the search notes thereto.
899+, for systems with vehicular supports, and see the search notes to subclasses 351 and 899.
SEE OR SEARCH CLASS
222, Dispensing,
160+, for dispensers having a movably mounted supply container, and subclasses 608+ for ambulant dispensing systems.
