US PATENT SUBCLASS 92 / 164
.~ Port in separable chamber end closure

Current as of: June, 1999
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92 /   HD   EXPANSIBLE CHAMBER DEVICES

163  DF  FLUID CONDUIT OR PORT IN FIXED WALL OF WORKING CHAMBER {1}
164.~ Port in separable chamber end closure

DEFINITION

Classification: 92/164

(under subclass 163) Apparatus in which the working chamber is provided with a removable end closure member, the port or passage being located in said member.