US PATENT SUBCLASS 209 / 537
.~.~ Fluid or vacuum sensing means controls separating means

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


209 /   HD   CLASSIFYING, SEPARATING, AND ASSORTING SOLIDS

509  DF  SORTING SPECIAL ITEMS, AND CERTAIN METHODS AND APPARATUS (E.G., POCKET TYPE AND LIGHT RESPONSIVE SORTING, ETC.) FOR SORTING ANY ITEMS {11}
535  DF  .~ Sorting cigarettes, cigars, or packages thereof {2}
537.~.~ Fluid or vacuum sensing means controls separating means

DEFINITION

Classification: 209/537

Fluid or vacuum sensing means controls separating means:

(under subclass 535) Methods and apparatus including means utilizing a fluid stream, or a vacuum, for sensing a condition of an item and controlling separating means in accordance therewith.

SEE OR SEARCH CLASS

73, Measuring and Testing,

37+, for testing apparatus utilizing fluid pressure.