US PATENT SUBCLASS 73 / 386
.~ Aneroid

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

Internet Version by PATENTEC © 1999      Terms of Use


73 /   HD   MEASURING AND TESTING

384  DF  BAROMETER (E.G., ALTIMETER) {2}
386.~ Aneroid {1}
387  DF  .~.~> Settable

DEFINITION

Classification: 73/386

(under subclass 384) Barometers in which the pressure responsive element is in the form of an exhausted container having a wall or portion thereof movable with pressure changes.