US PATENT SUBCLASS 131 / 309
.~.~ Other than water, steam, or air


Current as of: June, 1999
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131 /   HD   TOBACCO

290  DF  TOBACCO TREATMENT {8}
300  DF  .~ With fluid or fluent material {6}
309.~.~ Other than water, steam, or air {1}
310  DF  .~.~.~> Organic


DEFINITION

Classification: 131/309

Other than water, steam, or air:

(under subclass 300) Process or apparatus wherein the fluid or fluent material is a material other than water, steam, or air.