US PATENT SUBCLASS 33 / 651
.~.~ Railway track or railway vehicle part

Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

501  DF  GAUGE {61}
613  DF  .~ Collocating {14}
651.~.~ Railway track or railway vehicle part {1}
651.1  DF  .~.~.~> Track type

DEFINITION

Classification: 33/651

Railway track or railway vehicle part:

(under subclass 613) Subject matter wherein the gauge aligns railway tracks or railway vehicle parts.

SEE OR SEARCH CLASS

238, Railways: Surface Track,

24+, for a railroad tie, subclasses 122+ for a railroad rail and subclasses 209+ for a railroad base plate.