US PATENT SUBCLASS 396 / 593
.~.~.~ Having ventilation

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
589  DF  .~ Dark cabinet {4}
590  DF  .~.~ Hand or body insertion {3}
593.~.~.~ Having ventilation

DEFINITION

Classification: 396/593

Having ventilation:

(under subclass 590) Subject matter including means for circulating air through the case.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 927, for a foreign art collection involving a fluid-treating dark cabinet having hand or body insertion and ventilation.