US PATENT SUBCLASS 505 / 807
.~.~ Powder: (Class 75)
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}
807
.~.~ Powder: (Class 75)
DEFINITION
Classification: 505/807
Powder: (Class 75):
(under subclass 801) Subject matter involving an aggregation of loose small solid particles.
