US PATENT SUBCLASS 177 / 207
.~ Buoyancy type

Current as of: June, 1999
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177 /   HD   WEIGHING SCALES

201  DF  SELF-POSITIONING {9}
207.~ Buoyancy type

DEFINITION

Classification: 177/207

(under subclass 201) Apparatus which employs the lifting effect of a fluid on a float.