US PATENT SUBCLASS 219 / 53
.~ Rail bond

Current as of: June, 1999
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219 /   HD   ELECTRIC HEATING

50  DF  METAL HEATING (E.G., RESISTANCE HEATING) {19}
53.~ Rail bond {2}
54  DF  .~.~> Arc weld
55  DF  .~.~> Resistance weld methods

DEFINITION

Classification: 219/53

(under subclass 50) Subject matter relating to the making of rail bonds.

(1) Note. The bond may be for the purpose of furnishing a low resistance electrical shunt around the mechanical joint between rail sections of a railroad track or it may be for the purpose of mechanically uniting rail sections.