US PATENT SUBCLASS 401 / 200
.~ Particulate fluent material

Current as of: June, 1999
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401 /   HD   COATING IMPLEMENTS WITH MATERIAL SUPPLY

196  DF  MATERIAL FLOWS THROUGH POROUS TOOL {8}
200.~ Particulate fluent material

DEFINITION

Classification: 401/200

(under subclass 196) Implement having a wall or wall portion which, as disclosed, is previous for the passage of finely divided solid material (e.g., powder).