US PATENT SUBCLASS 404 / 129
.~.~ With means to lubricate, scrape or clean roller surface

Current as of: June, 1999
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404 /   HD   ROAD STRUCTURE, PROCESS, OR APPARATUS

83  DF  APPARATUS {17}
122  DF  .~ Rotating drum, roller or tire {10}
129.~.~ With means to lubricate, scrape or clean roller surface

DEFINITION

Classification: 404/129

(under subclass 122) Roller device including means to care for or protect the roller periphery by providing a transient fluid coating or by removal of foreign material.

SEE OR SEARCH CLASS

172, Earth Working,

606, for earth working devices combined with means to clean or scrape.