US PATENT SUBCLASS 131 / 300
.~ With fluid or fluent material

Current as of: June, 1999
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131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
300.~ With fluid or fluent material {6}
301  DF  .~.~> Including means to create a vacuum
302  DF  .~.~> Including means to circulate fluid {2}
305  DF  .~.~> Within rotary drum-type apparatus
306  DF  .~.~> Including means to convey tobacco {1}
308  DF  .~.~> Containing enzymes to cause fermentation
309  DF  .~.~> Other than water, steam, or air {1}

DEFINITION

Classification: 131/300

With fluid or fluent material:

(under subclass 290) Process or apparatus for treating by subjecting the tobacco to the action of a flowing or flowable material.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

359, for treating in a fluidized bed; and appropriate subclasses for tobacco drying.

68, Textiles: Fluid Treating Apparatus,

5+, for treating textiles with gas, steam, or mist.

99, Food and Beverages: Apparatus,

323.1+, for gas treating of food. 118, Coating Apparatus, appropriate subclasses for apparatus for coating or impregnating cigars or cigarettes with flavoring materials.

239, Fluid Sprinkling, Spraying, and Diffusing, appropriate subclasses for fluid applying apparatus, per se.

312, Supports: Cabinet Structure,

31+, for cabinet structures including the gas or vapor treatment of material.