US PATENT SUBCLASS 104 / 141
.~ Crossings

Current as of: June, 1999
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104 /   HD   RAILWAYS

140  DF  SLOTTED CONDUIT {4}
141.~ Crossings

DEFINITION

Classification: 104/141

(under subclass 140) Apparatus comprising crossings for slotted-conduit railway-track. The conduit-slot rails enter into the structure.