US PATENT SUBCLASS 37 / 105
.~ Side former

Current as of: June, 1999
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37 /   HD   EXCAVATING

104  DF  RAILWAY GRADERS {1}
105.~ Side former {1}
106  DF  .~.~> Scoop {1}

DEFINITION

Classification: 37/105

(under subclass 104) Devices for working on the sides of a railway and shaping the bed.