US PATENT SUBCLASS 396 / 521
.~.~.~ Solution drain or resistant

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

439  DF  CAMERA DETAIL {15}
511  DF  .~ Detachable or removable film holder unit {2}
517  DF  .~.~ Plate or cut film holder {8}
521.~.~.~ Solution drain or resistant

DEFINITION

Classification: 396/521

Solution drain or resistant:

(under subclass 517) Subject matter wherein the support means permits collection of a liquid from wet plates or prevents or withstands the injurious effects of such liquid.