US PATENT SUBCLASS 340 / 320
.~ Via fluid conduit (e.g., fire hose)

Current as of: June, 1999
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340 /   HD   COMMUNICATIONS: ELECTRICAL

286.01  DF  SYSTEMS {24}
320.~ Via fluid conduit (e.g., fire hose)

DEFINITION

Classification: 340/320

(under subclass 286.01) Subject matter in which the electric signal is transmitted along a fluid conduit.

(1) Note. The fluid conduit may, for example, be a fire hose, so that the firemen may be able to communicate back from the nozzle to the engine pumper.

SEE OR SEARCH CLASS

174, Electricity: Conductors and Insulators,

8+, and 47 for fluid conduits combined with electrical conductors.