US PATENT SUBCLASS 238 / 219-- .~.~ Rail-head insert

US PATENT SUBCLASS 238 / 219
.~.~ Rail-head insert

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

151	DF	RAIL JOINTS {28}
218	DF	.~ Tread bridge {7}
219		.~.~ Rail-head insert

DEFINITION

Classification: 238/219

The abutting rail-heads are grooved or recessed to receive a bridging insert.