US PATENT SUBCLASS 73 / 450
.~.~.~ Specimen carrying

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  DF  .~.~ Float structure {2}
450.~.~.~ Specimen carrying

DEFINITION

Classification: 73/450

(under subclass 448) Devices wherein the float includes means for attaching, carrying or receiving the specimen under test.

SEE OR SEARCH CLASS

177, Weighing Scales,

207, for a weigher employing the lifting effect of a liquid on a displacing body.