US PATENT SUBCLASS 238 / 366
.~ Spikes

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

310  DF  FASTENINGS {12}
366.~ Spikes {9}
367  DF  .~.~> Interlock
368  DF  .~.~> Bent
369  DF  .~.~> Split end
370  DF  .~.~> Plug
371  DF  .~.~> Socket
372  DF  .~.~> Screw {1}
374  DF  .~.~> Socket and wedge
375  DF  .~.~> Lock
376  DF  .~.~> Ratchet

DEFINITION

Classification: 238/366

Spikes and bolts of such forms as to be capable of use only with track elements substantially modified to cooperate with such spikes or bolts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

295,

SEE OR SEARCH CLASS

411, Expanded, Threaded, Driven, Headed, Tool-Deformed, or Locked-Threaded Fastener,

439+, for spikes of general application.