US PATENT SUBCLASS 362 / 272
.~.~.~ Electric or pneumatic

Current as of: June, 1999
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362 /   HD   ILLUMINATION

257  DF  LIGHT SOURCE (OR SUPPORT THEREFOR) AND MODIFIER {18}
269  DF  .~ Tiltable or rotatable as a unit {3}
271  DF  .~.~ With actuator {3}
272.~.~.~ Electric or pneumatic

DEFINITION

Classification: 362/272

(under subclass 271) Subject matter wherein the actuator converts the potential energy of a voltage or pressure differential into a force which moves the unit.