US PATENT SUBCLASS 238 / 374
.~.~ Socket and wedge

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

310  DF  FASTENINGS {12}
366  DF  .~ Spikes {9}
374.~.~ Socket and wedge

DEFINITION

Classification: 238/374

Sockets for the reception of a spike or bolt together with a wedge placed in the socket with the spike or bolt.