US PATENT SUBCLASS 73 / 861.56
.~.~.~.~.~ With structure of coupling to indicator

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

861  DF  VOLUME OR RATE OF FLOW {23}
861.42  DF  .~ Using differential pressure {6}
861.52  DF  .~.~ With restriction {4}
861.53  DF  .~.~.~ Automatically variable restriction {3}
861.55  DF  .~.~.~.~ Cone and ball or disk {2}
861.56.~.~.~.~.~ With structure of coupling to indicator

DEFINITION

Classification: 73/861.56

With structure of coupling to indicator:

(under subclass 861.55) Subject matter including details of the elements transmitting the relative motion to an indicator.