US PATENT SUBCLASS 34 / 622
.~.~.~.~ Portable or collapsible

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

523  DF  APPARATUS {40}
611  DF  .~ Sheet, web, or strand {3}
618  DF  .~.~ For flexible sheet, web, or strand {6}
621  DF  .~.~.~ Including means to suspend work {1}
622.~.~.~.~ Portable or collapsible

DEFINITION

Classification: 34/622

Portable or collapsible:

(under subclass 621) Subject matter wherein the treating device can be moved from place to place or folded compactly.