US PATENT SUBCLASS 73 / 448
.~.~ Float structure

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

32 R  DF  SPECIFIC GRAVITY OR DENSITY OF LIQUID OR SOLID {7}
444  DF  .~ Freely vertical reciprocable float with carried indicium {4}
448.~.~ Float structure {2}
449  DF  .~.~.~> With carried thermometer or thermal compensator
450  DF  .~.~.~> Specimen carrying

DEFINITION

Classification: 73/448

(under subclass 444) Devices comprising a float unit, per se.

SEE OR SEARCH THIS CLASS, SUBCLASS:

305+, for a float for measurement of liquid level.

322.5, for float structure, per se.