US PATENT SUBCLASS 250 / 223 R
.~.~.~.~ Conveyor or chute

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  DF  .~.~.~ Inanimate article {3}
223 R.~.~.~.~ Conveyor or chute {1}
223 B  DF  .~.~.~.~.~> Bottles

Unofficial Alpha Subclasses: R B

DEFINITION

Classification: 250/223

(under subclass 222) Subject matter having means for carrying the inanimate article into or out of or through a location where the article will affect the optical path between the light source and the photocell.

(1) Note. The conveyor may stop while the article is being sensed.

(2) Note. Examples of conveyors are railroad cars on tracks and gravity operated chutes.

SEE OR SEARCH THIS CLASS, SUBCLASS:

559.01+, and 566+, for similar subject where the object is a coded record or a web, strand, strip or sheet which is conveyed to the sensing point.

573, for similar subject matter, where the object is fluent or pulverulent and is conveyed to the sensing point.