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.