US PATENT SUBCLASS 33 / 348.2
.~.~ Spirit level electric illuminator


Current as of: June, 1999
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33 /   HD   GEOMETRICAL INSTRUMENTS

300  DF  INDICATOR OF DIRECTION OF FORCE TRAVERSING NATURAL MEDIA {23}
348  DF  .~ With viewing aid (i.e., illuminator or illumination director) {1}
348.2.~.~ Spirit level electric illuminator


DEFINITION

Classification: 33/348.2

(under subclass 348) Subject matter wherein the illuminator is electrically powered and the device is a spirit level.