US PATENT SUBCLASS 396 / 612
.~ Having photographic medium feed

Current as of: June, 1999
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396 /   HD   PHOTOGRAPHY

564  DF  FLUID-TREATING APPARATUS {18}
612.~ Having photographic medium feed {7}
613  DF  .~.~> And cutting device
614  DF  .~.~> And scrub brush, wipers, squeegee, or squeeze rollers
615  DF  .~.~> Variable path length, variable path width, or alternative path
616  DF  .~.~> Having clutch, speed detail, or variable processing time
617  DF  .~.~> And photographic medium immersed and removed {4}
623  DF  .~.~> Film in spaced spiral for processing
624  DF  .~.~> Plural stations

DEFINITION

Classification: 396/612

Having photos:graphic medium feed:

(under subclass 564) Subject matter including means to introduce or withdraw the material into or from a fluid-treating area.

(1) Note. This and indented subclasses include means that provide sprockets that engage perforations in the material and which are driven by motive power means as well as means that grip one end of a film strip to pull the film strip.

(2) Note. Mere guide means that do not include drive or propelling means is not sufficient for this subclass.

SEE OR SEARCH THIS CLASS, SUBCLASS:

387+, for camera structure with film drive.

, FOR 937+, for foreign art collections involving fluid-treating apparatus having film feed.

SEE OR SEARCH CLASS

242, Winding and Reeling, appropriate subclasses, for winding and reeling means, per se.

271, Sheet Feeding or Delivering, appropriate subclasses for feeding or delivering sheet material means.