US PATENT SUBCLASS 505 / 921
.~.~.~.~ Metal working prior to treating


Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use



505 /   HD   SUPERCONDUCTOR TECHNOLOGY: APPARATUS, MATERIAL, PROCESS

825  DF  APPARATUS, PER SE, DEVICE, PER SE, OR PROCESS OF MAKING OR OPERATING SAME {36}
917  DF  .~ Mechanically manufacturing superconductor: (Classes 29, 72, and 228) {8}
918  DF  .~.~ With metallurgical heat treating {1}
919  DF  .~.~.~ Reactive formation of superconducting intermetallic compound {2}
921.~.~.~.~ Metal working prior to treating


DEFINITION

Classification: 505/921

Metal working prior to treating:

(under subclass 919) Subject matter wherein metal deforming or shaping is done before the heat treating creates the superconducting intermetallic compound.