US PATENT SUBCLASS 104 / 248
.~ Rail-interlocking lugs

Current as of: June, 1999
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104 /   HD   RAILWAYS

242  DF  DERAILMENT GUARDS {5}
248.~ Rail-interlocking lugs

DEFINITION

Classification: 104/248

(under subclass 242) Derailment guards comprising car-carried lugs or fingers having interlocking engagement with the rails.