US PATENT SUBCLASS 92 / 55
.~ Fluid conduit coaxial with axis of rotation

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

54  DF  ROTATING CYLINDER {2}
55.~ Fluid conduit coaxial with axis of rotation

DEFINITION

Classification: 92/55

(under subclass 54) Apparatus comprising a conduit for conducting fluid to or from said cylinder, the axis of said conduit coinciding with the axis of rotation of said cylinder.