US PATENT SUBCLASS 152 / 900
TREAD PATTERN HAVING NO BLOCKS AND HAVING CIRCUMFERENTIAL RIBS DEFINED BY ZIG-ZAG CIRCUMFERENTIAL GROOVES
Current as of:
June, 1999
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152 /
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RESILIENT TIRES AND WHEELS
900
TREAD PATTERN HAVING NO BLOCKS AND HAVING CIRCUMFERENTIAL RIBS DEFINED BY ZIG-ZAG CIRCUMFERENTIAL GROOVES
DEFINITION
Classification: 152/900
TREAD PATTERN HAVING NO BLOCKS AND HAVING CIRCUMFERENTIAL
RIBS DEFINED BY ZIG-ZAG CIRCUMFERENTIAL GROOVES:
(under the class definition) Anti-skid devices containing tread patterns enhanced by zig-zag circumferential grooves with no blocks.
