US PATENT SUBCLASS 340 / 815.84
.~.~ Semaphore

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

815.4  DF  VISUAL INDICATION {18}
815.83  DF  .~ Movable {5}
815.84.~.~ Semaphore

DEFINITION

Classification: 340/815.84

Semaphore:

(under subclass 815.83) Subject matter wherein the signalling indicating device comprises one or more movable arms positioned to produce the visually perceptible indication.

SEE OR SEARCH THIS CLASS, SUBCLASS:

127, for semaphore used in traffic and vehicle signalling.

SEE OR SEARCH CLASS

116, Signals and Indicators,

319, for an arm that is a rotary indicator.