US PATENT SUBCLASS 73 / 45.3
.~.~.~.~.~ Vacuum support failure

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

37  DF  WITH FLUID PRESSURE {8}
40  DF  .~ Leakage {8}
41  DF  .~.~ Conveyor feed {2}
45  DF  .~.~.~ With defective article discard {1}
45.1  DF  .~.~.~.~ Automatic {3}
45.3.~.~.~.~.~ Vacuum support failure

DEFINITION

Classification: 73/45.3

(under subclass 45.1) Subject matter wherein the article is sustained against a test head by vacuum unless leakage of the article destroys the vacuum and permits the article to fall by gravity.