US PATENT SUBCLASS 116 / 266
.~.~ Pressure

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

200  DF  INDICATORS {32}
264  DF  .~ Fluid flow {4}
266.~.~ Pressure {6}
267  DF  .~.~.~> With magnetic means
268  DF  .~.~.~> Differential
269  DF  .~.~.~> Plural input with single readout
270  DF  .~.~.~> Flexible indicator
271  DF  .~.~.~> Rotary indicator
272  DF  .~.~.~> Rectilinear indicator

DEFINITION

Classification: 116/266

Pressure:

(under subclass 264) Devices having means responsive to the force of the fluid to cause the indicator to move or to release an element to allow the indicator to move.

SEE OR SEARCH CLASS

15, Brushing, Scrubbing, and General Cleaning, Digest II for filter of the class type with indicators.

73, Measuring and Testing,

146.2+, for tire inflation indicators.

96, Gas Separation: Apparatus,

421, for gas separation apparatus having a pressure indicator. 277, Seal for a Joint or Juncture, for a generic sealing means or process,

318, for a seal combined with a fluid pressure indicator, sampler, or inspection feature.