US PATENT SUBCLASS 34 / 421
.~.~.~.~ Running length

Current as of: June, 1999
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34 /   HD   DRYING AND GAS OR VAPOR CONTACT WITH SOLIDS

282  DF  PROCESS {24}
418  DF  .~ Diverse types of drying operations {3}
419  DF  .~.~ Sheet, web, or strand {2}
420  DF  .~.~.~ Including radiation or convection treatment {1}
421.~.~.~.~ Running length

DEFINITION

Classification: 34/421

Running length:

(under subclass 420) Process wherein the treated material is conveyed through a treating zone as a continuous length.