US PATENT SUBCLASS 238 / 272
.~ Wrought
Current as of: June, 1999
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DEFINITION
Classification: 238/272
Rail seats of wrought or sheet metal.
SEE OR SEARCH CLASS
428, Stock Material or Miscellaneous Articles,
544+, for nominally claimed metallic track, that is, having some structural description, but insufficient to limit its use to that of a railway track, element, adjunct or material.
