US PATENT SUBCLASS 53 / 506
.~.~.~ Responsive to absence of cover material (no can - no fill)

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}
505  DF  .~.~ Responsive to presence or absence of cover material (e.g., wrapper, receptacle, lid) {1}
506.~.~.~ Responsive to absence of cover material (no can - no fill)

DEFINITION

Classification: 53/506

Responsive to absence of cover material (no can - no fill):

(under subclass 505) Apparatus wherein the sensing means senses that no cover is in position to receive the contents.