US PATENT SUBCLASS 53 / 496
.~.~.~ Responsive to the presence of only the lead article of a completed group

Current as of: June, 1999
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53 /   HD   PACKAGE MAKING

52  DF  WITH MEANS RESPONSIVE TO A SENSED CONDITION {6}
493  DF  .~ Of individual contents or group feed or delivery {7}
495  DF  .~.~ Responsive to complete group or subgroup {2}
496.~.~.~ Responsive to the presence of only the lead article of a completed group {1}
497  DF  .~.~.~.~> Plural lead articles

DEFINITION

Classification: 53/496

Responsive to the presence of only the lead article of a completed group:

(under subclass 495) Apparatus wherein the sensing means

comprise means to sense the proper position of only the leading article or articles of an accumulated group to signify completion of the group.

SEE OR SEARCH THIS CLASS, SUBCLASS:

537+, for apparatus for forming successive layers and depositing into receptacles.