US PATENT SUBCLASS 264 / 570
.~ Including hydrostatic or liquid pressure

Current as of: June, 1999
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264 /   HD   PLASTIC AND NONMETALLIC ARTICLE SHAPING OR TREATING: PROCESSES

500  DF  DIRECT APPLICATION OF FLUID PRESSURE DIFFERENTIAL TO PERMANENTLY SHAPE, DISTORT, OR SUSTAIN WORK {14}
570.~ Including hydrostatic or liquid pressure

DEFINITION

Classification: 264/570

Including hydrostatic or liquid pressure:

(under subclass 500) Processes in which differential fluid pressure is applied to work by a liquid.

(1) Note. This subclass includes hydrostatic extrusion.