US PATENT SUBCLASS 301 / 40.3
.~.~.~ Safety emergency tire or rim


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

5.1  DF  WHEEL {21}
38.1  DF  .~ Emergency {2}
39.1  DF  .~.~ Tire or rim {4}
40.3.~.~.~ Safety emergency tire or rim


DEFINITION

Classification: 301/40.3

Safety emergency tire or rim:

(under subclass 39.1) Wheel with provision to function in the event of unexpected failure or the ordinary wheel.

SEE OR SEARCH CLASS

152, Resilient Tires and Wheels,

516, 521 for a run-flat tire, i.e., a tire with an internal support.