US PATENT SUBCLASS 73 / 146
TIRE, TREAD OR ROADWAY

Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

146TIRE, TREAD OR ROADWAY {1}
146.2  DF  .~> Tire inflation testing installation {1}

DEFINITION

Classification: 73/146

(under the class definition) Subject matter for testing of tires, treads or roadways. "Sperry cars" are here included.

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8, for tests of such devices by abrasion, milling, rubbing, or scuffing.