US PATENT SUBCLASS 301 / 90
.~.~ With rail-climbing device

Current as of: June, 1999
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301 /   HD   LAND VEHICLES: WHEELS AND AXLES

5.1  DF  WHEEL {21}
86  DF  .~ Nonresilient tire {3}
90.~.~ With rail-climbing device

DEFINITION

Classification: 301/90

(under subclass 86) Wheel wherein the tire is provided with means to raise the wheel out of a streetcar track.