US PATENT SUBCLASS 492 / 54
.~.~ Specific metallic composition

Current as of: June, 1999
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492 /   HD   ROLL OR ROLLER

49  DF  CONCENTRIC LAYERED ANNULUS {3}
53  DF  .~ Specific composition {3}
54.~.~ Specific metallic composition

DEFINITION

Classification: 492/54

Specific metallic composition:

(under subclass 53) Roll, which includes a particular metal alloy or composition containing metal.

SEE OR SEARCH CLASS

420, Alloys or Metallic Compositions, for similar metallic material.