US PATENT SUBCLASS 294 / 64.3
.~ By positive fluid stream directed against article

Current as of: June, 1999
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294 /   HD   HANDLING: HAND AND HOIST-LINE IMPLEMENTS

64.1  DF  VACUUM {3}
64.3.~ By positive fluid stream directed against article

DEFINITION

Classification: 294/64.3

By positive fluid stream directed against article:

(under subclass 64.1) Devices wherein a positive pressure fluid stream is caused to flow over a surface of the article to be handled thereby creating the negative pressure.