US PATENT SUBCLASS 238 / 8
.~ Street crossing

Current as of: June, 1999
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238 /   HD   RAILWAYS: SURFACE TRACK

2  DF  ROADBED {4}
8.~ Street crossing

DEFINITION

Classification: 238/8

(under subclass 2) Highway crossings at grade over railways to facilitate the passage of highway vehicular traffic over railway-tracks.

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