US PATENT SUBCLASS 396 / 584
.~.~.~.~ Removable or variable pressure roller or particular roller texture, composition, configuration, or spacing

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
580  DF  .~ Treating superimposed or laminar sheets {3}
582  DF  .~.~ Having fluid dispensing {1}
583  DF  .~.~.~ Collapsible container {3}
584.~.~.~.~ Removable or variable pressure roller or particular roller texture, composition, configuration, or spacing

DEFINITION

Classification: 396/584

Removable or variable pressure roller or particular roller texture, composition, configuration or spacing:

(under subclass 583) Subject matter in which a roller may be readily inserted or removed, exerts a modifiable force, or in which a detail is provided of a roller surface characteristic, chemical makeup, shape, or offset distance.