US PATENT SUBCLASS 53 / 57
.~.~.~ By absence of contents
Current as of:
June, 1999
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53 /
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PACKAGE MAKING
52
DF
WITH MEANS RESPONSIVE TO A SENSED CONDITION
{6}
55
DF
.~ Concurrent control of contents and receptacle feeds {2}
56
DF
.~.~ Stopped by contents, manual reset {1}
57
.~.~.~ By absence of contents
DEFINITION
Classification: 53/57
(under subclass 56) Apparatus wherein the failure of the apparatus to present the contents disables the supply.
