US PATENT SUBCLASS 52 / 193
.~ Rod crossing port

Current as of: June, 1999
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52 /   HD   STATIC STRUCTURES (E.G., BUILDINGS)

192  DF  FLUENT MATERIAL HOPPER OR STORAGE CONTAINER WITH MATERIAL PORT {5}
193.~ Rod crossing port

DEFINITION

Classification: 52/193

(under subclass 192) Structure in which the rods or ladder rungs cross the port and are usually secured to the side edges of the container or receptacle which form the port.

SEE OR SEARCH THIS CLASS, SUBCLASS:

184, for a building structure combined with means for a stair or ladder and see notes.