US PATENT SUBCLASS 116 / 273
.~.~ Movable means in flow path

Current as of: June, 1999
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116 /   HD   SIGNALS AND INDICATORS

200  DF  INDICATORS {32}
264  DF  .~ Fluid flow {4}
273.~.~ Movable means in flow path {2}
274  DF  .~.~.~> Rotary only
275  DF  .~.~.~> Lever or cantilever

DEFINITION

Classification: 116/273

Movable means in flow path:

(under subclass 264) Devices wherein the indicator is moved by an element directly in the flow path.

(1) Note. The flow of the fluid causes the indicator to move whereas in subclasses 266+ a force moves the indicator.

(2) Note. The element in the flow path may be integral with the indicator or connected to the indicator by an element.

SEE OR SEARCH CLASS

73, Measuring and Testing,

170.01+, for a device which determines fluid flow direction, in particular subclass 170.05 for fluid flow direction determination utilizing a fluid actuated alignment means, and subclasses 861+ for a volume or rate of flow meter.