US PATENT SUBCLASS 152 / 902
NON-DIRECTIONAL TREAD PATTERN HAVING NO CIRCUMFERENTIAL RIB AND HAVING BLOCKS DEFINED BY CIRCUMFERENTIAL GROOVES AND TRANSVERSE GROOVES

Current as of: June, 1999
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152 /   HD   RESILIENT TIRES AND WHEELS

902NON-DIRECTIONAL TREAD PATTERN HAVING NO CIRCUMFERENTIAL RIB AND HAVING BLOCKS DEFINED BY CIRCUMFERENTIAL GROOVES AND TRANSVERSE GROOVES

DEFINITION

Classification: 152/902

NONDIRECTIONAL TREAD PATTERN HAVING NO CIRCUMFERENTIAL RIB AND HAVING BLOCKS DEFINED BY CIRCUMFERENTIAL GROOVES AND TRANSVERSE GROOVES:

(under the class definition) Anti-skid devices containing nondirectional tread patterns with no circumferential rib having blocks enhanced by transverse and circumferential grooves.

(1) Note. The tire tread pattern found in this subclass contain blocks only.