US PATENT SUBCLASS 396 / FOR 931
.~.~.~ Roll film handling (354/313)

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

FOR 915  DF  FLUID-TREATING APPARATUS (354/297) {14}
FOR 925  DF  .~ Dark cabinet (354/307) {4}
FOR 930  DF  .~.~ Having film support or handling means (354/312) {3}
FOR 931.~.~.~ Roll film handling (354/313) {1}
FOR 932  DF  .~.~.~.~> Having motor driven film winding spool (354/314)

DEFINITION

Classification: 396/FOR.931

Roll film handling: (354/313)

Subject matter under subclass FOR 930 having means for manipulating the material that is wound into a cylindrical mass.