US PATENT SUBCLASS 73 / 319
.~.~ Vertically reciprocable

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

290 R  DF  LIQUID LEVEL OR DEPTH GAUGE {13}
305  DF  .~ Float {12}
319.~.~ Vertically reciprocable {3}
320  DF  .~.~.~> With spiral cam or guide
321  DF  .~.~.~> With flexible cable transmission
322  DF  .~.~.~> Indicator stem attached

DEFINITION

Classification: 73/319

(under subclass 305) Gauges wherein the float reciprocates vertically or substantially vertically in following the liquid level.