US PATENT SUBCLASS 505 / 806
.~.~.~ Niobium base (Nb)

Current as of: June, 1999
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505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

800  DF  MATERIAL, PER SE, PROCESS OF MAKING SAME {4}
801  DF  .~ Composition: (Classes 75, 252, 501) {7}
805  DF  .~.~ Alloy or metallic: (Class 420,420/901) {1}
806.~.~.~ Niobium base (Nb)

DEFINITION

Classification: 505/806

Niobium base (Nb):

(under subclass 805) Subject matter composed at least 50 percent of Niobium (Nb).