US PATENT SUBCLASS 396 / 637
.~.~ Having interlocking doors

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
636  DF  .~ Photographic medium processing vessel {4}
637.~.~ Having interlocking doors

DEFINITION

Classification: 396/637

Having interlocking doors:

(under subclass 636) Subject matter including treating areas separated by a light-excluding partition and interlinked closures.

SEE OR SEARCH THIS CLASS, SUBCLASS:

, FOR 950, for a foreign art collection involving a fluid-treating apparatus film or print processing vessel having interlocking doors.