US PATENT SUBCLASS 53 / 385.1
.~.~ Including means to apply air blast
Current as of:
June, 1999
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53 /
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PACKAGE MAKING
381.1
DF
MEANS TO OPEN OR ERECT RECEPTACLE
{6}
384.1
DF
.~ Means to open bag {2}
385.1
.~.~ Including means to apply air blast
DEFINITION
Classification: 53/385.1
Including means to apply air blast:
(under subclass 384.1) Apparatus including structure to cause flow of atmospheric air or air under compression to flow against the bag to provide access therein.