US PATENT SUBCLASS 428 / 75
.~.~ Metal cover or casing

Current as of: June, 1999
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428 /   HD   STOCK MATERIAL OR MISCELLANEOUS ARTICLES

68  DF  SHEET INCLUDING COVER OR CASING {6}
74  DF  .~ Noninterengaged fibered material encased (e.g., mat, batt, etc.) {1}
75.~.~ Metal cover or casing

DEFINITION

Classification: 428/75

(under subclass 74) Product wherein the enclosing layer comprises free metal or an alloy.