.~ Cylinder-piston means in series with additional positioning means {4}
28
.~.~ With separate air means in series with liquid means
DEFINITION
Classification: 269/28
(under subclass 27) Device including (A) a pneumatically operated pressure means that moves one or more elements of a hydraulically operated pressure means, or (B) a compressible fluid chamber within an incompressible fluid chamber including means to increase or decrease the pressure exerted by said compressible fluid, or (C) the air and liquid means may be reversed in either (A) or (B); or (D) any combination of (A), (B), and/or (C).
(1) Note. See (4) Note and the search notes under subclass
