US PATENT SUBCLASS 33 / 786
.~.~.~ Liquid column indicator

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


33 /   HD   GEOMETRICAL INSTRUMENTS

700  DF  DISTANCE MEASURING {13}
783  DF  .~ Opposed contacts {10}
785  DF  .~.~ Fluid indicator {1}
786.~.~.~ Liquid column indicator

DEFINITION

Classification: 33/786

Liquid column indicator:

(under subclass 785) Subject matter wherein a column of liquid is subjected to a pressure and the height of the liquid indicates the distance.