US PATENT SUBCLASS 396 / 600
.~.~.~.~ Having motor driven film winding spool

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
589  DF  .~ Dark cabinet {4}
598  DF  .~.~ Having film support or handling means {3}
599  DF  .~.~.~ Roll film handling {2}
600.~.~.~.~ Having motor driven film winding spool

DEFINITION

Classification: 396/600

Having motor driven film winding spool:

(under subclass 599) Subject matter including means to convert energy to produce or impart motion to a reel upon which the material is wound.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387+, for a camera motor film drive.

, FOR 932, for a foreign art collection involving a dark cabinet and roll film handling means having motor driven film winding spool.