US PATENT SUBCLASS 238 / 14.8
.~ Dowel pin or inserted key type


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

14.05  DF  ELECTRICAL CONNECTIONS {9}
14.8.~ Dowel pin or inserted key type


DEFINITION

Classification: 238/14.8

(under subclass 14.05) Electrical connections including a dowel pin, key, or similar element inserted in aligned holes of sockets formed in the abutting ends of the rails.

(1) Note. For mere mechanical rail-joints employing similar elements, see this class, subclass 179.

(2) Note. For mere rod joints or couplings employing similar elements, see Class 403, Joints and Connections, subclasses 292+.