US PATENT SUBCLASS 250 / 222.1
.~.~.~ Inanimate article


Current as of: June, 1999
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250 /   HD   RADIANT ENERGY

200  DF  PHOTOCELLS; CIRCUITS AND APPARATUS {11}
216  DF  .~ Optical or pre-photocell system {11}
221  DF  .~.~ Controlled by article, person, or animal {1}
222.1.~.~.~ Inanimate article {3}
222.2  DF  .~.~.~.~> Particle detection
223 R  DF  .~.~.~.~> Conveyor or chute {1}
224  DF  .~.~.~.~> Article and light ray relatively moved during sensing


DEFINITION

Classification: 250/222.1

Inanimate article:

(under subclass 221) Subject matter in which the object is an inanimate article.