US PATENT SUBCLASS 494 / 19
.~ And means for rotating each bowl about own axis

Current as of: June, 1999
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494 /   HD   IMPERFORATE BOWL: CENTRIFUGAL SEPARATORS

16  DF  INCLUDING PLURALITY OF MINIATURE BOWLS (E.G., TEST TUBES) DISTRUBUTED ABOUT ROTATABLE CARRIER AND READILY REMOVABLE THEREFROM {4}
19.~ And means for rotating each bowl about own axis

DEFINITION

Classification: 494/19

And means for rotating each bowl about own axis:

(under subclass 16) Apparatus which includes also means for imparting rotary movement, about its principle axis, to each of the members.

(1) Note. Here, the centrifugal force for causing separation of the mixture is developed in part by the revolving of the support and in part by the additional turning of each member about its own axis.