US PATENT SUBCLASS 73 / 19.11
.~.~ Lubricant

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

19.01  DF  GAS CONTENT OF A LIQUID OR A SOLID {9}
19.1  DF  .~ Of a liquid {1}
19.11.~.~ Lubricant

DEFINITION

Classification: 73/19.11

Lubricant:

(under subclass 19.1) Subject matter wherein the liquid whose gas content is being determined is a substance capable of reducing friction, heat and wear when introduced as a film between solid surfaces.