US PATENT SUBCLASS 29 / 459
.~.~.~ To roughen surface

Current as of: June, 1999
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29 /   HD   METAL WORKING

592  DF  METHOD OF MECHANICAL MANUFACTURE {54}
428  DF  .~ Assembling or joining {21}
458  DF  .~.~ With coating before or during assembling {1}
459.~.~.~ To roughen surface

DEFINITION

Classification: 29/459

To roughen surface:

(under subclass 458) Process in which the coating increases the frictional characteristics of the coated surface, e.g., by including a particulate roughening material such as grit in the coating.

SEE OR SEARCH CLASS

403, Joints and Connections,

345+, for a coated interfitted joint with an intermediate roughened material.