US PATENT SUBCLASS 73 / 270
.~.~.~.~ With diaphragm actuated valve trip gear

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

861  DF  VOLUME OR RATE OF FLOW {23}
232  DF  .~ Expansible chamber {6}
262  DF  .~.~ Diaphragm or collapsible wall {2}
269  DF  .~.~.~ Single diaphragm {2}
270.~.~.~.~ With diaphragm actuated valve trip gear

DEFINITION

Classification: 73/270

(under subclass 269) Meters wherein the valves controlling the induction and eduction of the measuring chambers are actuated by a force which is built up and then suddenly released by the movement of the diaphragm.

SEE OR SEARCH THIS CLASS, SUBCLASS:

225, and 251, for other combinations with valve trip gear.