US PATENT SUBCLASS 73 / 740
.~.~ With zeroizing adjustment

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

700  DF  FLUID PRESSURE GAUGE {20}
732  DF  .~ Bourdon {7}
740.~.~ With zeroizing adjustment

DEFINITION

Classification: 73/740

With zeroizing adjustment:

(under subclass 732) Subject matter having an adjustable feature whereby calibration can be effected to the extent that the pointer or indicator mechanism is caused to register with a datum on a scale.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387, for barometers having a similar feature.