US PATENT SUBCLASS 104 / 63
.~ Tortuous alinement

Current as of: June, 1999
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104 /   HD   RAILWAYS

53  DF  AMUSEMENT {25}
63.~ Tortuous alinement {1}
64  DF  .~.~> Horizontal zigzag {2}

DEFINITION

Classification: 104/63

(under subclass 53) Appartus having railway tracks distorted in alignement in all directions for producing surprising and pleasing shocks during travel.