US PATENT SUBCLASS 505 / 824
.~.~ Battery, thermo or photo-electric: (Class 136)

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}
815  DF  .~ Process of making, per se {5}
824.~.~ Battery, thermo or photo-electric: (Class 136)

DEFINITION

Classification: 505/824

Battery, thermo or photo-electric: (Class 136):

(under subclass 815) Subject matter involving the production of thermoelectric or photoelectric batteries.