US PATENT SUBCLASS 340 / 815.77
.~.~ Relatively movable light source

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

815.4  DF  VISUAL INDICATION {18}
815.73  DF  .~ With lamp enclosed in transparent housing {3}
815.77.~.~ Relatively movable light source

DEFINITION

Classification: 340/815.77

Relatively movable light source:

(under subclass 815.73) Subject matter having means for moving the lamp within the enclosure.