US PATENT SUBCLASS 307 / 39
.~.~ Condition responsive
Current as of:
June, 1999
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307 /
HD
ELECTRICAL TRANSMISSION OR INTERCONNECTION SYSTEMS
11
DF
PLURAL LOAD CIRCUIT SYSTEMS
{8}
38
DF
.~ Selectively connected or controlled load circuits {3}
39
.~.~ Condition responsive
DEFINITION
Classification: 307/39
(under subclass 38) Subject matter automatically responsive to a condition.
SEE OR SEARCH THIS CLASS, SUBCLASS:
86+, and 116+, for this subject matter.
SEE OR SEARCH CLASS
333, Wave Transmission Lines and Networks,
2+, for plural channel communication systems having means which are automatically responsive to a condition.