US PATENT SUBCLASS 374 / 105
.~.~.~.~ Indicating tube with sensing material return prevention

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

100  DF  TEMPERATURE MEASUREMENT (E.G., THERMOMETER) {13}
101  DF  .~ Composite temperature-related paramenter {3}
102  DF  .~.~ Time-temperature relationship (e.g., integral, deterioration, change) {4}
104  DF  .~.~.~ Peak (maximum or minimum) with respect to time {2}
105.~.~.~.~ Indicating tube with sensing material return prevention

DEFINITION

Classification: 374/105

Indicating tube with sensing material return prevention:

(under subclass 104) Subject matter wherein the determination is made by an indicating tube type thermometer with an irregularity in its axial bore between the bulb and scale of the thermometer so as to prevent the expansible material therein from returning to the bulb.

SEE OR SEARCH THIS CLASS, SUBCLASS:

192, for an indicating tube thermometer with a holder for shaking.