US PATENT SUBCLASS 137 / 899.1
.~.~ Guided by means of track or guideway

Current as of: June, 1999
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137 /   HD   FLUID HANDLING

343  DF  WITH CASING, SUPPORT, PROTECTOR OR STATIC CONSTRUCTIONAL INSTALLATIONS {7}
899  DF  .~ Vehicle {8}
899.1.~.~ Guided by means of track or guideway

DEFINITION

Classification: 137/899.1

Guided by means of track or guideway:

(under subclass 899) Apparatus including rail means, guide wire means, or some other predetermined and established pathway which constrains the vehicle or a part thereof to be bodily movable along the rail means, guide wire means, or other pathway.