US PATENT SUBCLASS 33 / 721
.~.~ For nongaseous material

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
713  DF  .~ Sounding type {6}
721.~.~ For nongaseous material {1}
722  DF  .~.~.~> Liquid (e.g. dipstick) {7}

DEFINITION

Classification: 33/721

For nongaseous material:

(under subclass 713) Subject matter wherein the material being measured is a liquid or solid fluent.