US PATENT SUBCLASS 37 / 104
RAILWAY GRADERS

Current as of: June, 1999
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37 /   HD   EXCAVATING

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

DEFINITION

Classification: 37/104

(under the class definition) Devices forming the bed or slopes of a railway.

(1) Note. Compare this class, subclasses 353+.

(2) Note. Compare Class 104, Railways, subclass 2.