US PATENT SUBCLASS 104 / 172.3
.~.~ Beneath vehicle

Current as of: June, 1999
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104 /   HD   RAILWAYS

165  DF  TRACTION {8}
172.1  DF  .~ Chain {4}
172.3.~.~ Beneath vehicle

DEFINITION

Classification: 104/172.3

Beneath vehicle:

(under subclass 172.1) Car-propelling means in which the car is always located directly above the traction chain during the time it is being propelled thereby.

SEE OR SEARCH THIS CLASS, SUBCLASS:

172.2, for a chain for propelling a car which is usually located undeneath the car.