US PATENT SUBCLASS 428 / 434
.~.~.~.~ Noble metal containing

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

411.1  DF  COMPOSITE (NONSTRUCTURAL LAMINATE) {25}
426  DF  .~ Of quartz or glass {9}
432  DF  .~.~ Next to metal or compound thereof {1}
433  DF  .~.~.~ Alloy or free metal {1}
434.~.~.~.~ Noble metal containing

DEFINITION

Classification: 428/434

(under subclass 433) Product in which the metal* comprises silver, gold, platinum, pallodium, mercury, iridium, rhodrium, ruthernium or osmium, that is, those metals* which are not easily oxidizable and are recognized as the "noble" metals*.