US PATENT SUBCLASS 33 / 724
.~.~.~.~.~ Having plural contacts

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

700  DF  DISTANCE MEASURING {13}
713  DF  .~ Sounding type {6}
721  DF  .~.~ For nongaseous material {1}
722  DF  .~.~.~ Liquid (e.g. dipstick) {7}
723  DF  .~.~.~.~ With means to adjust measuring rod {1}
724.~.~.~.~.~ Having plural contacts

DEFINITION

Classification: 33/724

Having plural contacts:

(under subclass 723) Subject matter wherein a measuring means has a first means to touch the liquid and while in contact a second means to touch the liquid to indicate the top of the liquid.