US PATENT SUBCLASS 340 / 815.5
.~.~.~ Including optical means

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

815.4  DF  VISUAL INDICATION {18}
815.47  DF  .~ Switchboard or panel type (e.g., bullseye) {3}
815.49  DF  .~.~ Housing {2}
815.5.~.~.~ Including optical means

DEFINITION

Classification: 340/815.5

Including optical means:

(under subclass 815.49) Subject matter comprising a lens covering part of the signal indicating device for affecting the light emitted therefrom.