US PATENT SUBCLASS 34 / 420
.~.~.~ Including radiation or convection treatment

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.~.~.~ Including radiation or convection treatment {1}
421  DF  .~.~.~.~> Running length

DEFINITION

Classification: 34/420

Including radiation or convection treatment:

(under subclass 419) Process wherein the diverse types of drying operations include at least radiation or direct contact with a heated surface where the radiation treatment is infrared.