US PATENT SUBCLASS 193 / 12
.~ Spiral

Current as of: June, 1999
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193 /   HD   CONVEYORS, CHUTES, SKIDS, GUIDES, AND WAYS

2 R  DF  CHUTES {25}
12.~ Spiral {1}
13  DF  .~.~> Switch

DEFINITION

Classification: 193/12

(under subclass 2) Apparatus wherein the chute is a spiral.

(1) Note. See this class, subclasses 35 and 36, for spiral rollerways.

(2) Note. See Class 182, Fire Escape, Ladder, or Scaffold, subclass 48, and indented subclasses.

SEE OR SEARCH CLASS

34, Drying and Gas or Vapor Contact With Solids,

147,.