US PATENT SUBCLASS 340 / 586
.~.~.~ Portable
Current as of:
June, 1999
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340 /
HD
COMMUNICATIONS: ELECTRICAL
500
DF
CONDITION RESPONSIVE INDICATING SYSTEM
{6}
540
DF
.~ Specific condition {18}
584
DF
.~.~ Thermal {8}
586
.~.~.~ Portable
DEFINITION
Classification: 340/586
Portable:
(under subclass 584) Subject matter wherein the entire device including power supply is self-contained in a single housing, and of such size and weight to be transportable by a person.