US PATENT SUBCLASS 40 / 367
.~.~ With internal light source
Current as of:
June, 1999
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40 /
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CARD, PICTURE, OR SIGN EXHIBITING
361
DF
PHOTOGRAPHIC TRANSPARENCY VIEWER, E.G., X-RAY VIEWER
{2}
366
DF
.~ Portable slide viewer {1}
367
.~.~ With internal light source
DEFINITION
Classification: 40/367
With internal light source:
(under subclass 366) Device wherein the illumination originates from within the device.
SEE OR SEARCH CLASS
362, Illumination,
253, for viewer "combined" with an illuminating means.