US PATENT SUBCLASS 362 / 211
MULTIPLE FILAMENT LIGHT UNIT

Current as of: June, 1999
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362 /   HD   ILLUMINATION

211MULTIPLE FILAMENT LIGHT UNIT {4}
212  DF  .~> With electrical switching means
213  DF  .~> Relatively movable light source or modifier
214  DF  .~> With mask or screen for at least one filament
215  DF  .~> With corrugated, faceted or fluted reflector and/or lens

DEFINITION

Classification: 362/211

(under the class definition) Subject matter comprising combinations of two or more selectively energizeable filament type light sources in a common envelope and a modifier.

SEE OR SEARCH THIS CLASS, SUBCLASS:

227+, for two or more selectively energizeable filament type light sources each in its own envelope.