.~.~ With pressurizing means or degassifying means
DEFINITION
Classification: 165/104.32
With pressurizing means or degassifying means:
(under subclass 104.19) Apparatus combined with means to alter the ambient pressure acting on the retained body of material or combined with means to separate or release vaporous material from the retained body of material.
(1) Note. Means to force the retained body of material to flow is not considered to alter the environmental pressure acting on the retained body under the definition of this subclass.