US PATENT SUBCLASS 238 / 227
.~.~ Spacer

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


238 /   HD   RAILWAYS: SURFACE TRACK

151  DF  RAIL JOINTS {28}
218  DF  .~ Tread bridge {7}
227.~.~ Spacer {1}
228  DF  .~.~.~> Expansible

DEFINITION

Classification: 238/227

Filling-in pieces between separated standard-section rail ends.