US PATENT SUBCLASS 222 / 189.09
.~ Associated with vent passage

Current as of: June, 1999
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222 /   HD   DISPENSING

189.06  DF  WITH FILTER (E.G., STRAINER) {5}
189.09.~ Associated with vent passage

DEFINITION

Classification: 222/189.09

Associated with vent passage:

(under subclass 189.06) Subject matter wherein the filter is associated with an air passage other than a dispensing passage.