US PATENT SUBCLASS 238 / 155-- .~.~.~ Twin

US PATENT SUBCLASS 238 / 155
.~.~.~ Twin

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

151	DF	RAIL JOINTS {28}
152	DF	.~ Insulated {3}
154	DF	.~.~ Chair {2}
155		.~.~.~ Twin {1}
156	DF	.~.~.~.~> Base plate or bolted

DEFINITION

Classification: 238/155

Insulated rail-joints of the twin-chair type, the two parts of which are in underlapping engagement with the rail-base.