US PATENT SUBCLASS 451 / 39
.~.~.~ With nonsiliceous abradant

Current as of: June, 1999
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451 /   HD   ABRADING

28  DF  ABRADING PROCESS {19}
36  DF  .~ Utilizing fluent abradant {2}
38  DF  .~.~ By blasting {2}
39.~.~.~ With nonsiliceous abradant

DEFINITION

Classification: 451/39

With nonsiliceous abradant:

(under subclass 38) Method of blasting wherein the abradant or at least a component of an abradant mixture is in character other than a sand (i.e., silica) bearing material.