US PATENT SUBCLASS 73 / 146.3
.~.~ By direct fluid pressure reading

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

146  DF  TIRE, TREAD OR ROADWAY {1}
146.2  DF  .~ Tire inflation testing installation {1}
146.3.~.~ By direct fluid pressure reading {2}
146.4  DF  .~.~.~> Telemetric (e.g., indicator on cowl) {1}
146.8  DF  .~.~.~> Tire stem attachments

DEFINITION

Classification: 73/146.3

(under subclass 146.2) Subject matter including a direct fluid pressure sensing unit communicating with the interior of the tire, as through its valve stem.

SEE OR SEARCH THIS CLASS, SUBCLASS:

700+, for fluid pressure gauges of more general utility.